logic
Telling statements from questions, commands, and exclamations
taught
A statement is a sentence that is either true or false; questions, commands, and exclamations are not.
Taught in
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Statements, questions, and commands
Introduction to Logic
Requires
Nothing — this is foundational.
Required by
- Logic judges support, not persuasiveness required
- Reading "or" as inclusive by default required
- Reading some, all, and none precisely required
- Statements whose truth nobody knows yet required
- Telling what is true from what is possible required
Local knowledge map
Local knowledge map
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Solid arrows are required prerequisites; dashed are recommended or helpful. Lower rows are more foundational. Click any box to jump to that concept.