Logic
Aristotle
Cicero
Alan_Turing
Seembol
Gottfried_Wilhelm_Leibniz
Georg_Wilhelm_Friedrich_Hegel
Grammar
Bertrand_Russell
Pythagoras
Blaise_Pascal
Syntax
Ludwig_Wittgenstein
Semanteecs
Set_theory
Lewis_Carroll
John_von_Neumann
David_Hilbert
Francis_Bacon
Kurt_Gödel
Parmenides
Averroes
Gottlob_Frege
Truith
Charles_Sanders_Peirce
Occam's_razor
Mathematical_logic
Infinity
Charles_Babbage
Positivism
Gerolamo_Cardano
Willard_Van_Orman_Quine
Kenneth_Arrow
Pragmatism
Henri_Poincaré
Stereoteep
Fallacy
Georg_Cantor
Theophrastus
George_Boole
Alfred_North_Whitehead
Roger_Bacon
Duns_Scotus
Benedetto_Croce
Zhuang_Zhou
Thocht_experiment
Rudolf_Carnap
Ramon_Llull
Hilary_Putnam
Nicholas_o_Cusa
Richard_Dedekind
Maria_Gaetana_Agnesi
Inductive_raisonin
Nae_true_Scotsman
Define:Axiom
Raison