The Timpson Lyceum · History of Philosophy (2024)

Aristotle's Life – Lecture 21 (History of Philosophy)

Overview

Aristotle of Stagira (384–322 BC) is, on the accounting given here, the greatest philosopher of all time and the true father of the scientific method. Born in Macedonia — the "backwater" north whose royal court his physician father served — he came to Athens at seventeen, studied at Plato's Academy for roughly twenty years until Plato's death in 347 BC, tutored the young Alexander the Great at Philip II's court, and in 335 BC founded his own school, the Lyceum. His surviving corpus is not the ~200 polished treatises he wrote for the public (all lost) but his working lecture notes — some 600,000 words, the bulk of five Harry Potter volumes — preserved by a chain of lucky accidents. Across physics, biology, logic, ethics, politics, rhetoric, and metaphysics he stood at the frontier of nearly every field of his day, math excepted (and even there his logic gave geometry its rigorous form in Euclid's Elements).

His importance is methodological before it is doctrinal. Where the Presocratics, and even Plato, built a theory first and then discarded any facts that clashed with it, Aristotle inverts the order: "the fact is the starting point." One begins with observation and constructs theory to fit it; when a fact contradicts a theory, the theory — not the fact — is wrong. This "here and now" empiricism sets him against Plato's "there and then" world of Forms and frames the whole coming arc of the course: the Organon (logic), the four causes, and a metaphysics that locates reality in individual things rather than in transcendent Forms.

Key Concepts

• "The fact is the starting point" — Aristotle's foundational methodological rule: build theory from observed facts, never discard facts to save a theory. This makes him the father of the scientific process.
• The criterion of truth — "With a true view all the data harmonize; with a false view the facts soon clash." If any datum disagrees with your theory, the theory is refuted.
• Here-and-now vs. there-and-then — In Raphael's imagery Plato points up (reality is the Forms, elsewhere); Aristotle gestures out and down (reality is these individual things, here and now). Both affirm objective, absolute truth, good, and reality; they differ on where reality is located.
• Empiricism against the Forms — Knowledge must refer only to actual experience and be stated without metaphor. Plato's "participation" in Forms is left as unexplained analogy; Aristotle demands a mechanism.
• The lost corpus — None of Aristotle's published works survive; what remains are lecture notes, rescued from decay (by tradition, recovered and preserved after being stored away for generations). History is fickle: the near-total loss of Aristotle was narrowly avoided.
• Universal genius — Founder or father of logic, biology, zoology, embryology, political science, natural law, rhetoric, psychology, meteorology, and teleology. His embryology (opening chicken eggs day by day to trace development) typifies his empirical drive.
• Father of logic — Logic did not exist as a field before him; the Organon first codified the rules of valid inference, giving every other science its instrument.
• The Lyceum — Aristotle's school (335 BC), founded in competition with the Academy; hard subjects (logic, metaphysics) in the morning, ethics and politics later. His followers were the "Peripatetics."
• Teleology — The view that things happen for the sake of an end or purpose; central to his physics and biology and to the final cause of the four-causes schema.
• Why he draws modern criticism — His system was so complete and persuasive that later corrections (Galileo, Newton) had to fight through him; and the Church's later adoption of him made him a proxy in a manufactured science-vs-religion quarrel. Neither is a philosophical objection to his method.
• The four causes — Aristotle's schema for a complete explanation of any thing: its material, formal, efficient, and final cause. To know a thing is to know all four.

Worked Example

Explaining a bronze statue by the four causes, contrasted with Plato's Forms. For any artifact or natural thing, a full account answers four distinct "why?" questions. Let the object be a bronze statue $S$.

1. Material cause — that out of which it is made. For $S$, the bronze. The matter is a necessary substrate but by itself explains nothing about what $S$ is; a lump of bronze is not yet a statue.

2. Formal cause — the form, shape, or definition it takes on. For $S$, the figure of the man it depicts — the arrangement that makes this bronze a statue rather than a doorstop. Crucially, this form is in the object itself, not in a separate realm.

3. Efficient cause — the agent that brings the change about. For $S$, the sculptor and his acts of casting and chiseling — the source of motion that imposes form on matter.

4. Final cause — that for the sake of which it exists, its end or purpose ($\textit{telos}$). For $S$, to honor or commemorate its subject. The final cause is why the process ran at all.

5. Schematically, a complete explanation is the conjunction of all four:

$\text{Explanation}(S) \;=\; \text{Material} \,\wedge\, \text{Formal} \,\wedge\, \text{Efficient} \,\wedge\, \text{Final}.$

1. Contrast with Plato. Plato answers "why is this a statue?" with "it participates in the Form of Statue," an appeal to a separate, unknowable realm connected to this world only by metaphor. Aristotle's schema keeps every cause within experience: the matter you can touch, the form you can see in the thing, the artisan you can watch, the purpose you can state. Nothing is projected into a void, and nothing is left as mere analogy.

2. The same analysis applies to a natural thing — a house's materials (bricks), form (shelter-giving structure), efficient cause (the builder), and final cause (to shelter its inhabitants) — showing the schema is fully general: to know a thing is to give all four of its causes. $\blacksquare$

Summary

• Aristotle (384–322 BC), Plato's greatest student, is presented here as the greatest philosopher and the father of the scientific method, whose lecture notes are all that survive of a vast, once-lost corpus.
• His decisive move is methodological: begin from facts and fit theory to them; reject the theory, never the fact, when the two clash.
• His "here and now" empiricism opposes Plato's "there and then" Forms while sharing Plato's commitment to objective, absolute truth, goodness, and reality.
• He was the frontier of nearly every field of his age — founding logic, biology, political science, and more — and much later "hatred" of him reflects his overwhelming success and a manufactured science-religion feud, not a flaw in his method.
• His four-causes schema (material, formal, efficient, final) gives a complete, this-worldly explanation of any thing, replacing Plato's metaphorical "participation" with causes located in experience itself.