Canonics - The Tests of Truth

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Canonics - General Discussion

Epicurus held that his "Canon of Truth" is the key to confident level, and the antidote to both unfounded dogmatism and radical skepticism.
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50
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444
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Sorites Argument Referenced in Cicero's Academic Questions
Cassius December 2, 2025 at 8:16 AM
Making Epicurean Canonics Understandable
Kalosyni October 27, 2025 at 2:30 PM

He Who Says Nothing Can Be Known Knows Nothing - Rejection of Skepticism

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11
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33
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Cicero's Summary of the Four Main Arguments Against the Possibility of Knowledge
Cassius July 4, 2025 at 5:58 PM
David Sedley's "Epicurean Theories of Knowledge
Cassius August 22, 2024 at 4:54 PM

All Sensations Are True - The Nature of Truth

Was Epicurus An Empiricist?
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4
Posts
8
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Empiricisms of Antiquity - Book excerpt
Kalosyni January 30, 2024 at 10:05 AM
The Issue of The Untrustworthiness of the Senses
Don April 11, 2021 at 5:41 PM

The Five Senses

Sight, Sound, Touch, Taste, Smell
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5
Posts
27
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Memorable Line from Lucretius Book IV: "The Eyes Can Know Nothing of the Nature of Things"
Cassius January 2, 2021 at 9:17 AM
Epicurean Perceptual Content by A. Gavran Milos
Godfrey December 5, 2020 at 1:47 PM

Rejection of Dialectical Logic and Skepticism

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2
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22
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Epicurus' Rejection of Dialectic (Cicero's De Oratore)
Cassius August 15, 2024 at 12:49 PM
The dangers of dialectical logic
DavidN January 26, 2024 at 10:34 PM

The Priority of Nature Over Reason

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11
Posts
154
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Keen Reasoning Based on the Evidence of the Senses
Cassius November 29, 2022 at 11:13 AM
General Principles For Evaluating Credibility Of Claims And Detecting Deceit
Charles November 29, 2022 at 10:47 AM

The Embrace of Practical Reason

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4
Posts
19
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Who are capable of figuring the problem out
Patrikios June 6, 2025 at 6:54 PM
Mulitvalent or Manifold Reasoning / Fuzzy Logic
Kalosyni October 24, 2024 at 11:21 AM

Rejection Of Atomic Reductionism

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2
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13
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Epicurus' Rejection of "Reductionist Atomism" (And The Related Issues of Skepticism and Determinism)
Cassius February 24, 2024 at 2:12 PM
DeWitt on Epicurus' Criticism of Leucippus (and Democritus)
Cassius September 5, 2023 at 1:51 PM

Anticipations / Preconceptions / Prolepsis

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28
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395
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Epicurus' Prolepsis vs Heraclitus' Flux
Cassius July 15, 2025 at 12:40 PM
Prolepsis of the gods
Eikadistes July 6, 2025 at 10:43 AM

The Feelings / Passions / Internal Sensations: Pleasure and Pain

Feeling: The Faculty of Pleasure and Pain
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18
Posts
240
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The relationship between pleasure and pain and emotions and feelings
Matteng September 17, 2025 at 3:27 PM
Discussion of Article: "On Pleasure, Pain and Happiness"
Cassius February 12, 2024 at 4:45 PM

Explaining Why Illusions Do Not Invalidate Reliance on The Senses

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1
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8
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Purpose of this Subforum - Explaining How Illusions Are Corrected By The Senses Themselves
Bryan May 6, 2024 at 3:19 PM

Explaining Epicurus' Position On The "Size of the Sun" And Related Issues of Speculative Math / Geometry

Explaining Epicurus' Position On The "Size of the Sun" And Related Issues of Speculative Math / Geometry
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3
Posts
28
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"Lucretius on the Size of the Sun", by T.H.M. Gellar-Goad
Cassius July 19, 2025 at 5:21 PM
Why Is Physics Important? To Refute Arguments such as these:
Cassius July 31, 2019 at 9:09 PM

"Images" And Their Significance

"Images" And Their Significance
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4
Posts
22
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Was The Epicurean Theory of Images Meant By Epicurus To Take The Place of Conventional Views of "Memory" As A Storage Mechanism?
Cassius April 21, 2021 at 2:19 PM
Cross-Reference: Discussion of Images Impacting the Mind in Lucretius Today Podcast 60
Cassius March 1, 2021 at 8:59 AM

Modern Research Into Issues Relevant to Canonics

Issues relating to modern research will appear throughout the other forums, but this subforum is specifically devoted to modern researchers whose work is relevant to modern scientific perspectives on issues related to "canonics," including brain functions, rather than primarily philosophical in nature.
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4
Posts
92
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Embodied Cognitive Science
Pacatus July 27, 2023 at 12:31 PM
Carl Sagan's Baloney Detection Kit
Cassius September 21, 2021 at 11:15 AM

Opposition To Epicurean Canonics

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1
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11
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Plotinus and Epicurean Epistemology by Lloyd P. Gerson
Eoghan Gardiner June 11, 2023 at 1:10 PM

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