Combining Philosophers

All the ideas for Jacques Lenfant, Benjamin Lee Whorf and GE Hughes/M Cresswell

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9 ideas

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / b. Terminology of PL

9540	A 'value-assignment' (V) is when to each variable in the set V assigns either the value 1 or the value 0 [Hughes/Cresswell]

4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL

9541	The Law of Transposition says (P→Q) → (¬Q→¬P) [Hughes/Cresswell]

4. Formal Logic / B. Propositional Logic PL / 4. Soundness of PL

9543	The rules preserve validity from the axioms, so no thesis negates any other thesis [Hughes/Cresswell]

5. Theory of Logic / K. Features of Logics / 4. Completeness

9544	A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]

8. Modes of Existence / C. Powers and Dispositions / 4. Powers as Essence

12750

The question is whether force is self-sufficient in bodies, and essential, or dependent on something [Lenfant]

13. Knowledge Criteria / E. Relativism / 5. Language Relativism

3914	Language arranges sensory experience to form a world-order [Whorf]

3916	Hopi consistently prefers verbs and events to nouns and things [Whorf]

14. Science / B. Scientific Theories / 4. Paradigm

3917	Scientific thought is essentially a specialised part of Indo-European languages [Whorf]

27. Natural Reality / D. Time / 2. Passage of Time / e. Tensed (A) series

3915	The Hopi have no concept of time as something flowing from past to future [Whorf]