Quick Review

Principles of How the Human Mind Works:

1. Biological Role
2. Conscious vs. Subconscious Levels of Mind
3. Sense-Perception is the Root of Knowledge (5 Senses + Introspection)
4. Language Organizes and Communicates Sense-Perceptions
5. Emotional/Physical Pleasure & Pain
6. Information & Ideas From Other People

Law of Non-Contradiction: Nothing can be both A and \lnot A at the same time and in the same respect.

• The only place contradictions can exist is our minds.

Logic: A way of thinking that is (1) Rooted in evidence and (2) Not self-contradictory.

• “The art of reasoning” (“art” in the sense that it’s an applied science)
• Goal of Logic: To find truth.

Truth: Mental content that conforms to reality.

• Arises only at the same time as the issue of falsehood.

Objectivity: Choosing to be committed to facts, logic, and truth

• Prioritizing anything above facts, logic, and truth breaks objectivity