If a disjunction and the negation of one of its disjuncts are true, then at least one of the remaining disjuncts must be true. E either-or thinking Reduction of alternatives to only two when others exist. Enthymeme is to inductive reasoning as syllogism is to deductive reasoning. A practical application of propositional logic. F facts Statements which are likely to be accepted by the general population or the intended audience.
Planets travel in elliptical paths.
God is good. 1 One common version of this is called post hoc ergo propter hoc and infers that A caused B since A occurred before B. false cause 2 The general form of this error of reasoning is called non cause pro causa, to mistake something not the cause of a given effect for its real cause. An attribute of propositions that indicates they are not true. A series of nodes, each of which is a Fuzzy Set. These can be tested and used in the form of Conditional Introduction within proofs.