Kyūjitai form of 論理学: logic

academic major

specialize in, major in

logic, reason

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

logic (method of human thought)

fuzzy logic

(electrical engineering) positive logic