Lohika
Avicenna
Aristóteles
Gramatika
Bertrand_Russell
Gottfried_Wilhelm_Leibniz
Georg_Wilhelm_Friedrich_Hegel
Ngaran
Simbulu
Blaise_Pascal
Retorika
Alan_Turing
Pythagoras
John_von_Neumann
Ludwig_Wittgenstein
Cicerón
Galeno
Sintaksis
Lewis_Carroll
Averroes
Kamatooran
Semantika
William_han_Ockham
Infinidad
Duns_Scotus
David_Hilbert
Francis_Bacon
Henri_Poincaré
Al-Ghazali
Teyorya_set
John_Stuart_Mill
Aksyoma
Charles_Babbage
Dialektiko
Taxonomiya_(kasahiran)
Alfred_North_Whitehead
Kurt_Gödel
Paradoks
Benedetto_Croce
Parmenides
Gottlob_Frege
George_Boole
Boethius
Zhuangzi
Teyorya
Nicholas_han_Cusa
Lohika_modal
Imre_Lakatos
Georg_Cantor
Estoisismo
Theophrastus
Pragmatismo
Wilhelm_Wundt
Zeno_han_Elea
Roger_Bacon
Paradigma
Gerolamo_Cardano