Tria Prima/en

The Tria Prima (Latin for "three first principles") is the doctrine of the three fundamental principles of the living formulated by Paracelso (Theophrastus von Hohenheim, 1493-1541) in the 16th century and systematized in his alchemical and medical writings, particularly in the Opus Paramirum. The three principles are Sulphur (Sulphur), Mercury (Mercurius) and Salt (Sal). They are not physical substances in the modern chemical sense: they are prevailing qualities of the living, principles of organization through which the body, soul, and spirit manifest, and from whose combination every temperament and every state of consciousness emerges.

The doctrine of the Tria Prima is the heart of the post-Paracelsian Western alchemical tradition and was taken up and re-elaborated by Oswald Wirth in Symbolisme hermétique (1909), who reformulated it in a symbolic-initiatic key. The School of the Paret Method has adopted this grid as a primary reference for non-verbal diagnosis, developed in detail on the page I sei tipi caratteriali nella mappa polivagale.

The ternary structure described by the Tria Prima is not exclusive to the Paracelsian tradition: the same architecture of the living is described by the three Indian guṇa (sattva, rajas, tamas) of Sāṃkhya and yoga, by the three doṣa of Ayurveda (vāta, pitta, kapha), by the three centers of the contemporary enneagram, and by the neurophysiological map of the three circuits of the Teoria polivagale by Stephen Porges (ventral vagus, sympathetic, dorsal vagus). For the reader coming from an Eastern tradition, this page offers the operational vocabulary that the European hermetic tradition has developed to describe the same reality, with the technical articulation (binary combinations of the principles, six character configurations, operational sequence solve et coagula) that makes the doctrine immediately applicable in the practice of the Method. For the point-by-point convergence see Dall'ermetico al neurologico — corrispondenze and Guna e Tria Prima.

I. The original Paracelsian doctrine

Before Paracelsus, the Greek, Arabic and medieval alchemical tradition knew the four elements (earth, water, air, fire) and a pair of active-passive principles (Sulphur-Mercury) inherited from Arabic alchemy. Paracelsus introduces the third principle — Salt — to describe the dimension of the body and materialization, which the previous pair did not account for.

The three principles are:

Sulphur (Sulphur) — the principle of the soul, of heat, of combustion, of passion. It is what animates matter, gives it movement and direction. In Paracelsus's terms: "that which burns".
Mercury (Mercurius) — the principle of the spirit, of fluidity, of mediation, of intelligence in motion. It is what connects Sulphur and Salt, what allows the passage between soul and body. In Paracelsus's terms: "that which smokes" or "that which evaporates".
Salt (Sal) — the principle of the body, of stability, of crystallization, of the solid residue. It is what remains after combustion and evaporation: the structure. In Paracelsus's terms: "that which remains in the crucible".

The triad is expressed in two famous axioms of the Paracelsian tradition:

"Three are the principles of all things: Mercury, Sulphur and Salt."

"De l'Unité tirez le nombre Ternaire et ramenez le Ternaire à l'Unité" — "From Unity draw the Ternary number, and lead the Ternary back to Unity".

The second axiom expresses the double movement of the alchemical work: from the indistinct unity of the prima materia the three principles are separated (operation of solve), purified individually, and reunited in a higher unity (operation of coagula). The final outcome is the Quintessenza or the Mercurio Filosofico, which contains the three coordinated principles within itself.

II. Wirth's systematization

In Symbolisme hermétique (1909) Oswald Wirth reformulates the Tria Prima in a symbolic and initiatic key, detaching it from any residue of material alchemy to bring it back to a psychology of the qualities of the living. Wirth writes:

Sulphur = the igneous principle of the living, the activity of the soul, what drives action and creation.
Mercury = the mediating principle, the intelligence that binds polarities, the element of transformation.
Salt = the principle of form, the stability that gives body and duration.

Wirth explicitly places Mercury at the center of the Paracelsian Tetraktys, because without Mercury the energy of Sulphur cannot impact the stability of Salt: the alchemical operation requires mercurial mediation. This point is central to the School's doctrine: as explained on the page I sei tipi caratteriali nella mappa polivagale, the "Sulphur+Salt without Mercury" type is the pathological configuration of blocked activation, equivalent to the blocked hyperergia described in the School's Springer papers.

III. Classical correspondences

The Paracelsian tradition and its continuators (Basil Valentine, Khunrath, van Helmont, Sendivogius) have traced a system of recurring correspondences that the School recognizes and uses in non-verbal diagnosis.

Principle	Quality	Element	Hippocratic temperament	Planet	Bodily function (in Marco Paret 2017)
Sulphur	Hot, dry, active	Fire	Choleric (bilieux)	Mars / Sun	Vascular (cardiovascular system, dynamic will)
Mercury	Volatile, fluid, mediator	Air	Sanguine-nervous	Mercury / Moon	Diencephalic (neuro-endocrine axis, sensitivity)
Salt	Cold, fixed, passive	Earth	Melancholic-phlegmatic	Saturn / Venus	Hepatorenal (digestive, depurative, conservative)

The fourth column shows why the map works as a non-verbal diagnostic grid: each principle manifests in a coherent set of physiological, postural, expressive and relational signs that an experienced operator recognizes in the first moments of the encounter.

IV. The seven typologies of the Tria Prima

From the combination of the three principles arise seven typologies, according to the scheme:

Pure Sulphur
Pure Mercury
Pure Salt
Sulphur + Mercury
Mercury + Salt
Sulphur + Salt (pathological combination if lacking the mediating Mercury)
Sulphur + Mercury + Salt — the Quintessenza or Mercurio Filosofico, integrated state

The first six constitute the six character types of the School. The seventh — the coordinated ternary — is not a stable character type but the result of a practice that hypnotic, meditative, magnetic and spagyric work cultivates over time.

Marco Paret in Flux Magnétique (2017) recalls that this same septenary partition recurs in the bodily tradition, where the three principles manifest as three major physiological axes (diencephalic, vascular, hepatorenal) whose combinations produce the temperaments and their typical pathologies.

V. Spagyria as an operation on the Tria Prima

Spagyria (from the Greek spao = "to separate" and ageiro = "to reunite") is the Paracelsian name for the operation that works on the Tria Prima. It is articulated in three phases:

Separation (solve) — the three principles are distinguished from the confused mixture of the prima materia.
Purification — each principle is purified of its impurities (excesses and deficiencies).
Recomposition (coagula) — the three principles are reunited at a higher level of harmony, where each includes the quality of the other two without being confused with them.

Paracelsus applied spagyria to the preparation of medicinal substances, extracting from plants and minerals an energetic "quintessence" transferable to the patient. The School of the Paret Method extends the same logic to human work on the character type: recognizing the prevalent type, distinguishing it from the other two principles (which remain latent), purifying the excesses of the prevalent type, and progressively integrating the two missing principles until stabilizing the ternary coordination. The curative magnetism of the Mesmeric tradition can be read as a transfer of the mercurial principle from a more integrated system (the operator) to a system with a less balanced configuration (the magnetized subject).

VI. The Tria Prima in the Paracelsian Tetraktys

Paracelsus integrates the Tria Prima into a broader scheme, the alchemical Tetraktys, an adaptation of the Pythagorean tetrad. The scheme connects:

at the top: the unity of Divine Light (the One);
below: the duality of Silver (Wisdom) and Gold (Intelligence);
in the center: the triad of Mercury (Experience), Sulphur (Faith) and Salt (Clarity);
at the bottom: the four elements — Earth, Water, Air, Fire — associated with four virtues: Prudence, Moderation, Balance, Energy.

In this scheme the Tria Prima mediates between divine unity and the multiplicity of the manifest, and each of the three principles corresponds to a qualitative virtue (Experience, Faith, Clarity) even before a physical function. The School reads this scheme as a symbolic precursor of the stratification that contemporary psychology describes in terms of neural levels (cortical, limbic, autonomic) and that the polyvagal theory formalizes in the evolutionary hierarchy of circuits.

VII. Convergence with other traditions of the three principles

The ternary structure of the Tria Prima is not isolated. The School recognizes families of triads converging in independent traditions:

Three Indian guṇa: sattva (Mercury), rajas (Sulphur), tamas (Salt). See Guna e Tria Prima for detailed treatment.
Three centers of the enneagram: head (Mercury), heart (Sulphur), belly (Salt), in the contemporary reading by Naranjo and Riso-Hudson.
Three dosha of Ayurveda: vata (movement — Mercury), pitta (heat — Sulphur), kapha (stability — Salt), a less exact but phenomenologically overlapping correspondence.
Three neural platforms of the polyvagal theory: ventral vagus (Mercury/sattva), sympathetic (Sulphur/rajas), dorsal vagus (Salt/tamas).
Three stages of ancient spagyric medicine in their strict Paracelsian version.

These correspondences do not reduce one tradition to another: they show that the ternary structure is an anthropological constant, independently recognized by distant cultures as a phenomenological description of the living.

Sources

Paracelsian tradition

Paracelsus, Opus Paramirum (~1531).
Paracelsus, De Natura Rerum.
Paracelsus, Archidoxis (~1526).
Basil Valentine, Currus triumphalis antimonii (17th century).

Modern systematization

Oswald Wirth, Le Symbolisme hermétique dans ses rapports avec l'alchimie et la franc-maçonnerie, Dervy, 1909/2009.
Carl Gustav Jung, Psychologie und Alchemie (1944).
Mircea Eliade, Forgerons et alchimistes (1956).

School publications

Marco Paret, Le Flux Magnétique et les Savoirs Anciens (2017), section on the Three Paracelsian Principles and section VII "L'analyse des différents tempéraments".