Propositions are statements that can be proven true of false, by it's truth value (indicated by the T or F).
Ex. September has 31 days
- Since it can be proven by fact, on a calendar, that September has 30 days instead of 30, this statement is a proposition.
There are different symbols that describe different things:
- Conjunction "and" ^- rule: if they are both the true, then the truth value is true; if one is false
- Disjunction "or" v- rule: If one of the two proposition are true, then it is true
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