Elementary Quote by Ludwig Wittgenstein

“An example of this is, when the simple propositions are connected by the particle or; as, either A is B or C is D;…

— John Stuart Mill

The meaning of a proposition is the method of its verification.

— Moritz Schlick

The fundamental principle in the analysis of propositions containing descriptions is this: Every proposition which we can understand must be composed wholly of constituents…

— Bertrand Russell

We can no longer assert any single proposition, unless we guard ourselves by enumerating countless conditions which must be assumed.

— Aleister Crowley

“When we predicate of any thing an abstract name, we affirm of the thing that it is one or other of these five things;…

— John Stuart Mill

My propositions serve as elucidations in the following way: anyone who understands me eventually recognizes them as nonsensical, when he has used them--as steps--to…

— Ludwig Wittgenstein

A proposition is completely logically analyzed if its grammar is made completely clear: no matter what idiom it may be written or expressed in.

— Ludwig Wittgenstein

Propositions show what they say: tautologies and contradictions show that they say nothing.

— Ludwig Wittgenstein

Nevertheless, the basic forms, spaces, and appearances must be logical

— Kenzo Tange

“Any proposition containing the word "is" creates a linguistic structural confusion which will eventually give birth to serious fallacies.”

— Alfred Korzybski

Far from being antecedent principles that animate the process, law, language, truth are but abstract names for its results.

— William James

A pair of statements may be taken conjunctively or disjunctively; for example, "It lightens and it thunders ," is conjunctive, "It lightens or it…

— Charles Sanders Peirce