{"version":"1.0","type":"link","title":"Propositional logic - Newikis","description":"Propositional logic is a formal system in mathematics and logic. Other names for the system are propositional calculus and sentential calculus. The system is made of a set of propositions. Each proposition has a truth value, being either true or false. Propositions can be represented by capital…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400}