ONLINE RESEARCH QUESTIONS: SECTION 3.2 (PAGE 129)
- Who began the modern era of mathematical notation in logic?
- When were the symbols of logic and set theory used today introduced?
- Name three contributors to the introduction of the basic symbols of logic.
- When was the tilde ~ indicating a negation first used and by whom ?
- Name two places where you can find the symbol ∨ for disjunction.
Who first used this symbol?
- When was the conjunction symbol ∧ for "and" first used and by whom?
See: jeff560.tripod.com/set.html .
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