DEMONSTRATION n.
ropositions. Direct, or Positive, demonstration (Logic & Math.), one in which the correct conclusion is the immediate sequence of reasoning from axiomatic or established premises; -- opposed to Indirect, or Negative, demonstration (called also reductio ad absurdum), in which the correct conclusion is an inference from…
DISCOURSE n.
eason or infer by running, as it were, from one fact or reason to another, and deriving a conclusion; an exercise or act of this power; reasoning; range of reasoning faculty. [Obs.] Difficult, strange, and harsh to the discourses of natural reason. South. Sure he that made us with such large discourse, Looking before a…