Truth table - Wikipedia
https://en.wikipedia.org/wiki/Truth_tableThere are 16 possible truth functions of two binary variables: Here is an extended truth table giving definitions of all sixteen possible truth functions of two Boolean variables P and Q: where T = true. F = false. The superscripts to is the number resulting from reading the four truth values …
Material conditional - Wikipedia
https://en.wikipedia.org/wiki/Material_conditionalThe material conditional is also notated using the infixes ⊃ and ⇒. In the prefixed Polish notation, conditionals are notated as Cpq. In a conditional formula p → q, the subformula p is referred to as the antecedent and q is termed the consequent of the conditional. Conditional statements may be nested such that the antecedent or the consequent may themselves be conditional statements, as in the formula (p → q) → (r → s).