Stage 35 · Logic & Quantifiers

35.3.3 Judging Quantified Statements True or False

35.3 For All and There Exists

Point 3 of 4

35.3.3 Judging Quantified Statements True or False

Core idea

Universal must cover every case, existential needs just one: hunt for a gap, or find a single witness.

Module goal. Tell apart "everyone does" from "at least one does," and bring in the two quantifiers and their symbolic forms.
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