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View in PDF(opens in a new window)The Psychodynamics
of the Mathêmatika
Presented at
The International Society for Neoplatonic Studies
Los Angeles, June 13–16, 2018
Bruce MacLennan
University of Tennessee, Knoxville
Introduction
In his book Platonism and Anti-Platonism in Mathematics, Mark Balaguer argues that the
only viable philosophies of mathematics are fictionalism and full-blooded Platonism, but that no
fact of the matter can decide between them. 1 Therefore we are free to accept full-blooded
Platonism, which is the view, roughly speaking, that any consistent mathematical system is true,
and therefore that their mathematical objects exist in a Platonic sense. 2 I will argue here that
some of these mathematical objects have in addition an objective psychological reality, for they
are rooted in the neurodynamics of the brain and structure human psychodynamics. They include
the archetypal numbers, such as the Monad, Dyad, Triad, and Tetrad, and fundamental
geometrical forms, such as circles, triangles, and mandala-like figures. I will argue that certain
numbers, as innate, unconscious psychodynamical Forms inherent in the human psyche, have
qualitative psychological effects in addition to the quantitative properties studied in mathematics.
Indeed, this is the valid core of Pythagorean numerology, as found for example in the
Theologumena Arithmeticae or Theology of Arithmetic.3 Therefore, a complete contemporary
1
Balaguer (1998) 4–5; see also ch. 8.
Balaguer (1998) 5.
3
The Greek text is cited by page and line number from the de Falco edition, henceforth TA. Translations
are from Waterfield (1988) unless otherwise stated.
Page 2
View in PDF(opens in a new window)Platonic philosophy of mathematics must comprehend the inherent qualitative as well as the
quantitative aspects of the archetypal numbers.
In fact, human perception of small numbers is just as innate as is our perception of shape,
color, size, and spatial relation. In common with some other animals, we have an innate number
sense; that is, we can directly perceive the number of objects in a group without explicit
counting.4 For humans this is limited to six or seven objects unless the objects are arranged in a
regular pattern. This skill is innate, for infants from four days to a few months old already exhibit
number perception.
Recent neuroimaging studies have identified a region in the brain, in the right posterior
parietal cortex, in which small numbers are represented.5 It is approximately rectangular, 2×3 cm
in size, with the areas that respond to the numbers one to seven arranged in order. Similar
regions have been found in non-human primates and crows, which also exhibit number
perception.6 It has been established that these neurons are responding to the numbers of objects
in a group, and not to other characteristics, such as their individual size, spatial extent, density,
arrangement, shape, or total area. 7
Our innate qualitative understanding of number also involves our direct perception of
symmetry, which is exhibited by infants and some non-human animals. The most salient
symmetry is reflection or mirror symmetry,8 but we also directly perceive other kinds of
symmetry, such as translation symmetry, in which an object is repeated one or more times, and
rotational symmetry.9
Carl Jung thought that the archetypal numbers are fundamental to depth psychology, but
he assigned their investigation to Marie Louise von Franz. In her book Number and Time she
explains that numbers are not mere quantities, but have four principal aspects: quantitative,
geometric, algebraic, and qualitative. 10 Each of the archetypal numbers has an individual
character, but the first four numbers stand out for their rich psychological structure. Here I will
address them in order, comparing their psychodynamical structure as archetypal numbers with
their descriptions in the Theologumena.
4
Lakoff and Núñez (2000) ch. 1, 51. Butterworth (1999a) and (1999b) are popular introductions to the
topic of innate arithmetic and numerosity. They appear to be identical, but the pagination is different.
5 Harvey, Klein, Petridou, and Dumoulin (2013). They identify the specific region as in the “posterior
superior parietal lobule, centered at mean (SD) Montreal Neurological Institute x,y,z coordinates of 23 (4), –60 (7),
60 (7) (18),” in Brodmann area 7. There is a similar area in the left hemisphere, but it does not have an equally
precise representation of numerosity.
6
Wagener, Loconsole, Ditz, and Nieder (2018).
7
Harvey, Klein, Petridou, and Dumoulin (2013).
8
Tyler (2002) 25, 26.
9
Tyler (2002) 12, 26–8.
von Franz (1974) 75–6.
Page 3
View in PDF(opens in a new window)Monad
We begin at the beginning. The Monad is paradoxical in its unity, as attested by both the
Theologumena and depth psychology. For example, the Theologumena says that the Monad
contains everything potentially, therefore it comprises many things that are opposed or contrary
in actuality.11 This paradoxical character is consistent with the Neoplatonic Ineffable One, but
also with the Jungian Self (with a capital “S”), which is “the central core of the personality.” 12
Jung says that the Self “is absolutely paradoxical in that it represents in every sense thesis and
antithesis, and at the same time synthesis”; it is “a union of opposites par excellence.”13
The Theologumena also calls the Monad dark and obscure,14 which is appropriate to both
the Ineffable One and the paradoxical unconscious Self. It says the Monad is like the creative
Chaos in Hesiod, in which all the unarticulated contraries are mixed in dark obscurity.15
Psychologically, the Monad represents a state of uncritical unconsciousness in which a person
submits naively to circumstances. 16 Nevertheless, this state is fertile; it wants to differentiate and
develop.17 It is like the Monad, which generates itself and everything else out of itself.
The Theologumena compares the Monad to the principle of the universe (kosmikos
logos)18 and to God as the source and regulator of everything. 19 It is like Providence because it
preserves all things. 20 So also the unconscious Self, which Jung calls the God-image within,21
regulates our psyches and guides our psychological development. Gary Sparks, a student of von
Franz, says, “number is a prime representation of the spirit,” 22 which “is pulling us forward
through the various stages of our life until we fill our potential.” 23
The Theologumena continues that, as the form of forms, the Monad is called Creation
(tekhnê) on account of its creativity and is called Intellect (noêsis) on account of its intelligence
(noêtikos).24 It also calls the Monad Nous because it contains all the ideas that govern the
cosmos 25 and therefore encompasses everything conceptually within itself. 26 Psychologically, the
ideas in the Nous are the transpersonal archetypes in the collective unconscious, which govern
11
TA 3.1–11.
Sparks (2010) 54n46.
13
Jung (CW 12) ¶22. Citation to Jung’s Collected Works (CW) are by paragraph number.
14
TA 5.18.
15
TA 5.16–19.
16
Sparks (2010) 105; von Franz (1974) 124.
17
Sparks (2010) 112.
18
TA 2.17.
19
TA 2.17–22.
20
TA 2.20.
21
Jung (CW 11) ¶¶282, 757.
22
Sparks (2010) 50.
23
Sparks (2010) 119.
24
TA 2.22–4.
25
TA 3.21–4.2.
26
Page 4
View in PDF(opens in a new window)our psyches. The Self is the integrative center of the psyche, and the Theologumena says that by
virtue of its unity the Monad imparts constancy, coherence, and harmony, and that in this respect
it is like God.
Dyad
Next is the Dyad. Von Franz says that, as a preconscious dynamism the archetypal Dyad
underlies division.27 The Theologumena also calls the Dyad “division” and says it is the source
of difference and inequality;28 it says, “when the Monad manifests unification, the Dyad steals in
and manifests separation.”29 It compares the Dyad to daring (tolman) and impulse (hormên)
because it has advanced into action; it is the first to separate from the Monad. 30
According to von Franz, as a “dynamic pattern of human thought,” the Dyad creates and
symbolizes the many polarities of life. 31 Likewise, the Theologumena calls the Dyad “opinion”
because it contains both truth and falsity. 32 Psychologically the Dyad represents “the process of
facing and enduring conflict.”33
By means of the Dyad, unconscious conflict, which is devoid of definite quality, becomes
manifest in consciousness, which gives the conflict reality 34; therefore the Dyad also represents
the transition to consciousness.35 According to Jung, “Conscious perception means
discrimination,”36 and von Franz says, “Whenever a latent unconscious content pushes up into
consciousness, it appears first as a twofold oneness.”37
Moreover, conscious manifestation and material manifestation are closely related, for
they both involve the appearance of relatively discrete, discontinuous, stable objects from a
background of undifferentiated wholeness.38 Both literally and metaphorically, figures emerge
from the background by means of the Dyad. Therefore the Theologumena calls the Dyad
“matter,” because it is “the source and foundation of the diversity of numbers.” 39
27
von Franz (1974) 88.
TA 11.19–20.
29
Waterfield (1988) 42; TA 9.6–7.
30
TA 7.20–8.1.
31
von Franz (1974) 89.
32
TA 8.1–2.
33
Sparks (2010) 57.
34
Sparks (2010) 67, 87.
35
Sparks (2010) 63.
36
Translated at von Franz (1974) 92.
37
von Franz (1974) 93; see also 91–93.
38
von Franz (1974) 94.
39
Waterfield (1988) 41, 45.
Page 5
View in PDF(opens in a new window)The Theologumena says the Dyad is “the fount of flowing and liquidity,”40 common
metaphors for the flux of material reality, and it names the Dyad “Nature” because it has
advanced into being from a seed principle. 41 It also calls the Dyad “Rhea,” for she is the mother
of the gods and nature, and also because the Dyad is the origin of the flux — rhoê — of material
reality, and of rhythmic extension,42 for rhuthmos derives from rheô (to flow).43
The Theologumena also says the Dyad is the first to separate from the Monad, and
therefore it is the principle of linear extension and progression. 44 According to von Franz, the
Dyad repeats, that is, it generates a translational or repetitive symmetry.45 She says, “Considered
as a rhythm of movement, the number two represents a repetition, in the form of an
oscillation.”46 Because, however, this is a simple oscillation between two states, a back and forth,
there is no inherent direction to it; it looks the same forward or backward. 47 Although this
progression is extended in both time and space, 48 actual forward direction comes with the
Triad.49
Von Franz tells us that the Dyad creates a tension between the opposites that demands
release;50 “duality seeks resolution in the third,”51 for the oscillation between the opposites is not
pointless, but is seeking a synthesis. 52 It is the confrontation of the conscious Dyad with the
originally unconscious Monad that gives birth to the Triad, which brings the needed resolution. 53
Triad
According to von Franz, the Triad is a manifestation of the Ineffable One as a knowable
unit, which would have been impossible without the polarity of the Dyad, 54 for the tension of the
opposites restores the unity in a knowable form. 55 Enduring the conflict inherent in the Dyad
precipitates a synthesis of the opposed elements, which is a step toward a “cohesive and non-split
personality.” When the ego takes responsibility for the tension of the opposites, a resolution
40 εὐπορίας καὶ χύσεως οὔσῃ πηγῇ (TA 8.21–9.1); Waterfield (1988) 42.
41
TA 13.15–17.
TA 14.7–9.
43
LSJ s.v. ῥυθμός.
44
TA 12.17–23.
45
von Franz (1974) 74.
46
von Franz (1974) 94.
47
von Franz (1974) 96.
48
Sparks (2010) 70; von Franz (1974) 97.
49
von Franz (1974) 96–7.
50
von Franz (1974) 98.
51
Sparks (2010) 70.
52
Sparks (2010) 56–7, 70–1, 88.
53
von Franz (1974) 64, 96.
54
von Franz (1974) 98.
55
Sparks (2010) 87.
Page 6
View in PDF(opens in a new window)arises from the unconscious; it is given to us, not consciously crafted. 56 Therefore the Triad
restores the lost unity, 57 and the Theologumena calls it Harmonia because it unifies the
opposites.58
The Theologumena also says that the Triad is the first number to actualize the potential of
the Monad59 and the first to signify totality, because it comprises beginning, middle, and end; 60
therefore it is the form of completion (telesiourgias).61 It also calls the Triad the manifestation of
plurality and the first actual number because it is the first to be a system of units, the Monad and
Dyad being roots or principles, not numbers. 62 Von Franz agrees, saying “The number series thus
begins with three.”63
Von Franz also agrees with the Pythagoreans in seeing two series of numbers emanating
from the Monad.64 The odd numbers exhibit a centered structure, which focuses on a middle, and
the even numbers have bilateral symmetry, which emphasizes polarity and opposition. She says
that when the Dyad is recognized on the background of the primordial Monad, the axis of
symmetry becomes salient and becomes the third that reveals the Triad. 65 Likewise, the
Theologumena calls the Triad a mean because of its symmetrical relationship to opposed
extremes of the same species. 66 Sparks says the Triad centers the opposed symmetries in the
psyche and initiates a progression to a re-centered and stable personality.67
Von Franz observes that the Triad is often associated with time. 68 Similarly, the
Theologumena mentions the three parts of time: past, present, and future, 69 and says that every
process partakes of the Triad in that it has three boundaries: beginning, peak, and end (arkhên
akmên teleuten).70 In contrast to the oscillation of the Dyad, which is reversible and has no
inherent direction, the triadic process has a direction; increase followed by decrease is different
from decrease followed by increase. Therefore the Triad imparts direction to the process initiated
by the Dyad, for it is oriented in the past, present, and future. 71
56
Sparks (2010) 55, 57, 73, 87–8.
von Franz (1974) 98.
58
TA 19.18.
59
TA 14.15–16, 16.8–9.
60
TA 17.5.
61
TA 17.19.
62
TA 17.15–17.
63
von Franz (1974) 103.
64
von Franz (1974) 78–9.
65
von Franz (1974) 64.
66
TA 15.5–10.
67
Sparks (2010) 56.
68
von Franz (1974) 125.
69
TA 17.10.
70
TA 16.15.
71
TA 16.15, 17.10.
Page 7
View in PDF(opens in a new window)Von Franz says the Triad symbolizes the psychodynamical process by which a “totality
symbol” emerges “in a temporal succession so that it does not congeal into a static symmetry or
harmony.”72 She adds that “three signifies a unity which dynamically engenders self-expanding
linear irreversible processes in matter and in our consciousness.”73 Likewise Sparks says, “The
three is the dynamism of development inherent in our conflicting pieces, but it is not activated …
until we begin investigating what and who those pieces in us are.”74
Psychologically, as a resolution of the dualistic conflicts, the real Self can emerge, “the
birth of true coherence, substance, and individuality,”75 according to Sparks. However this
realization, which arose from the unconscious, has in von Franz’ words, “been reconstructed
through discursive thought processes, and, in this process, became temporally conditioned.”76
Thus, timeless truths are understood discursively. 77
According to Jung, this flow of psychic energy is often associated with triadic
underworld beings, indicating a connection to time and fate, 78 and the Theologumena associates
the Triad with the Three Fates.79 Psychologically, fate manifests in a correspondence of inner
and outer events, dual realities coordinated by the Triad, 80 and the Theologumena similarly tells
us that the Triad unifies and harmonizes opposites, in particular the heavenly and earthly
worlds.81 Therefore the triadic stage of the psychological process is often characterized by
synchronicities, that is, by meaningful coincidences between the inner and outer worlds. 82
Tetrad
We come now to the Tetrad. Von Franz says, “Jung devoted practically the whole of his
life’s work to demonstrating the vast psychological significance of the number four.”83 In
Jungian psychology as in the Theologumena the Tetrad represents wholeness and embodiment. 84
The Theologumena says that there are four basic numerical qualities: sameness in the
monad, difference in the dyad, surface in the triad, and solidity in the tetrad. 85 Likewise, at the
72
von Franz (1974) 109. See also Sparks (2010) 56, 88, 95; von Franz (1974) 104.
von Franz (1974) 106.
74
Sparks (2010) 95.
75
Sparks (2010) 88.
76
von Franz (1974) 125.
77
von Franz (1974) 125–6.
78
von Franz (1974) 104.
79
ITA 52–3; TA 19.7–8; see also von Franz (1974) 104n12.
80
Sparks (2010) 89–90.
81
TA 19.5–11.
82
Sparks (2010) 88–9.
83
von Franz (1974) 115.
84
Sparks (2010) 57.
85
Page 8
View in PDF(opens in a new window)fourth psychological stage the Triad enters material reality and interacts with it. 86 The
Theologumena says, “The tetrad is the first to encompass minimal and most seminal
embodiment” (sômatôsis elakistê kai spermatikôtatê).87 This is because the most elementary
body is fire, which is shaped like a tetrahedron, which has four sides and four corners. 88
The Tetrad represents a new level of psychological integrity for, as the Theologumena
tells us, the tetrahedron is “hard to dissolve” (dusdialuton);89 it “binds everything in a pyramidal
manner.”90 The psychological goal is to integrate the multiplicity of the psyche into a new unity,
in Spark’s words, “a re-centered and stable personality.”91 As von Franz says, “the four acts as a
stabilizer by turning back to the one.”92 Likewise, the Theologumena associates the Tetrad with
Heracles because he is steadfast.93
Von Franz says that the “difficult step” from the Triad to the Tetrad is “the progression
from the infinitely conceivable to finite reality,”94 because the Triad represents the fated pattern
of one’s life, which has been made conscious, but the Tetrad seeks to actualize it in material
reality, in one’s actual embodied life. 95 According to Sparks, the Tetrad represents a genuine
selfhood that is accessible and open to outside influences, emotionally available, and humane. 96
To some extent, the psychological difference between the Triad and the Tetrad is the
difference between the generic and the individual. The triadic stage involved the conscious
recognition of universal truths from the collective unconscious, but at the tetradic stage we
realize that they are necessarily grasped by finite, embodied, historical human beings. The
insights and inspirations arising from the unconscious must be interpreted and explained using
the time-bound discursive process of conscious thought. 97 In this way, according to Sparks, “we
can both have and detach from our own ‘divine truth’, and enter into open conversation and
productive self-reflection.”98
The tetradic level of consciousness recognizes that although the triadic insights come as
divine revelations, they are modified by individual conscious interpretation. Sparks says that the
previously personal revelation is “accordingly reshaped, modified, humanized, relativized.” The
ego therefore becomes the interpreter 99 and assumes the role of Hermes, whom the
86
Sparks (2010) 96.
Waterfield (1988) 57; TA 23.11–12.
88
TA 23.12–16.
89
TA 26.6.
90
Waterfield (1988) 61.
91
Sparks (2010) 56.
92
von Franz (1974) 74.
93
TA 28.1–2, 18–20.
94
von Franz (1974) 122.
95
Sparks (2010) 101–2.
96
Sparks (2010) 98–9.
97
von Franz (1974) 125–6.
98
Sparks (2010) 108, emphasis in original.
99
Sparks (2010) 106.
Page 9
View in PDF(opens in a new window)Theologumena identifies with the Tetrad, for he was commonly represented on four-sided
herms100 and was born on the fourth day of the fourth month. 101
Although the triadic truths are timeless, they are reconstructed in a temporal context by
time-bound discursive thought. 102 At the triadic level we were certain of the universality of the
triadic synthesis, but at the tetradic level we understand that these truths have to be relativized to
our time and place.103 We learn to separate their apparent absolute validity from our unavoidably
subjective interpretation; Truth with a capital “T” is replaced by “my truth.”104
Nevertheless, since our subjective conscious interpretation is faced with an objective
unconscious, we must engage it through means such as dream interpretation and active
imagination;105 that is, theurgy.
The double opposition of the square immediately brings its center to our attention, and
the centered square or quincunx has a special meaning, for it shows the Tetrad both as emergent
from the Monad and as an articulated Monad.106 Jung points to the Western alchemical tradition
in which the centered square represents the quintessence in the center of the elemental square. 107
Von Franz says the quinta essentia “represents the most refined, spiritually imaginable unity of
the four elements.”108 The quincunx and the quintessence both point us toward the Pentad, but
that is beyond the scope of this paper.
Conclusions
In conclusion, I’ve argued that numbers are not mere quantities and that the first four
numbers, in particular, have rich qualitative structures; they are psychologically potent and
numinous. Jung and the Jungians have explored these archetypal numbers, which have
psychodynamical properties common to all people, for they are rooted in the human brain. These
properties agree with many of the qualities of the archetypal numbers described in the
Theologumena Arithmeticae and other traditional numerological sources. Therefore a complete
Platonic philosophy of mathematics should include the interior, psychodynamical qualitive
structure of the numbers as well as their external, formal quantitative structure. The numbers
objectively exist, independent of our conscious construction, as potent forces in our psyches and
as governors of our lives.
100
TA 28.2–4.
That is, the month Hermaios in Argos. Kerényi (1995) 56–7.
102
von Franz (1974) 125.
103
Sparks (2010) 104, 106.
104
Sparks (2010) 102–3; von Franz (1974) 126.
105
Sparks (2010) 103–4.
106
von Franz (1974) 120–1, 124.
107
von Franz (1974) 120–1.
108
von Franz (1974) 120–1.
Page 10
View in PDF(opens in a new window)Editions
Iamblichus, pseudo-. de Falco, V. 1975. [Iamblichi] theologumena arithmeticae. Ed. add. &
corr., U. Klein. Stuttgart: Teubner.
Translations
Iamblichus, pseudo-. 1988. The theology of arithmetic: On the mystical, mathematical and
cosmological symbolism of the first ten numbers. Trans. R. Waterfield. Grand Rapids:
Phanes/Kairos.
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Press.
Butterworth, B. 1999a. The mathematical brain. New York: London: Macmillan.
Butterworth, B. 1999b. What counts: How every brain is hardwired for math. New York: Free
Press.
Harvey, B. M., Klein, B. P., Petridou, N., Dumoulin, S. O. 2013. Topographic representation of
numerosity in the human parietal cortex. Science 341: 1123–6.
https://doi.org/10.1126/science.1239052
Jung, C. G. CW. The collected works of C. G. Jung. Ed. H. Read, M. Fordham, and G. Adler.
London: Routledge & Kegan Paul, 1953–78; New York: Pantheon, 1953–60, and
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Kerényi, Karl. 1995. Hermes: Guide of souls, rev. ed. Trans. M. Stein. Dallas: Spring.
Lakoff, G., Núñez, R. 2000. Where mathematics comes from: How the embodied mind brings
mathematics into being. New York: Basic Books.
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View in PDF(opens in a new window)von Franz, M.-L. 1974. Number and time: Reflections leading toward a unification of depth
psychology and physics. Trans. Andrea Dykes. Evanston: Northwestern Univ. Press.
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