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About TouchstoneTruth
→ Mike’s Living Touchstone Project
About Michael Alan Prestwood
→ Mike’s Must-Reads
→ Amazon Author Page
Contact Mike
Practice ▾
TST Practice
→ Install App
TST Practice Tools
About TST Practice
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The Prestwood Column
Column Archive
→ Understanding Threads
→ Substack Home
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Big Bang
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Evolution: Consciousness
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Evolutin: Great Apes
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March to Civilization
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More…
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Home ▾
Home
About TouchstoneTruth
→ Mike’s Living Touchstone Project
About Michael Alan Prestwood
→ Mike’s Must-Reads
→ Amazon Author Page
Contact Mike
Practice ▾
TST Practice
→ Install App
TST Practice Tools
About TST Practice
Column ▾
The Prestwood Column
Column Archive
→ Understanding Threads
→ Substack Home
Timelines ▾
TST Horizontal Timeline (All)
Big Bang
Evolution
Evolution: Consciousness
Evolution: Dinosaurs & Birds
Evolutin: Great Apes
World History
March to Civilization
Philosophers & Scientists
Book: 30 Philosophers
Future Predictions
More…
What’s New ▾
New Content
Updated Content
New Ideas
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By Topic ▾
Philosophy
→ Natural Philosophy
→→ TST Philosophy
→→→ 1 Goal (Ethics)
→→→ 2 Layers (Metaphysics)
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→→ 4 Traps (Illusion)
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Home ▾
Home
About TouchstoneTruth
→ Mike’s Living Touchstone Project
About Michael Alan Prestwood
→ Mike’s Must-Reads
→ Amazon Author Page
Contact Mike
Practice ▾
TST Practice
→ Install App
TST Practice Tools
About TST Practice
Column ▾
The Prestwood Column
Column Archive
→ Understanding Threads
→ Substack Home
Timelines ▾
TST Horizontal Timeline (All)
Big Bang
Evolution
Evolution: Consciousness
Evolution: Dinosaurs & Birds
Evolutin: Great Apes
World History
March to Civilization
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Book: 30 Philosophers
Future Predictions
More…
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New Content
Updated Content
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Browse Categories
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→ Natural Philosophy
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FAQ
What is the difference between a heuristic and a cognitive bias?
Heuristics
07 Jul 2026
(Updated 2 months ago)
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