{"version":"1.0","type":"link","title":"Propositional variable - Newikis","description":"In mathematical logic, a propositional variable (also called a sentence letter, sentential variable, or sentential letter) is an input variable (that can either be true or false) of a truth function. Propositional variables are the basic building-blocks of propositional formulas, used in…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}