tarkaH ( tark-BAve ac ) 1 Supposition, conjecture, guess; prasannaste tarkaH V. 2. 2 Reasoning, speculation, discussion, abstract reasoning; kutaH punarasminnavaDArite AgamArTe tarkanimittasyAkzepasyAvakASaH; idAnIM tarkanimitta AkzepaH parihriyate Ś. B. ; tarko'pratizWaH smftayo viBinnAH Mb. ; Ms. 12. 106. 3 Doubt. 4 Logic, the science of logic; ( pb ) yatkAvyaM maDuvarzi DarzitaparAstarkezu yasyoktayaH N. 22. 155 ; tarkaSAstraM , tarkadIpikA 5 (In logic) Reduction to absurdity, a conclusion opposed to the premises, a reductio ad absurdum . 6 A system of doctrine founded on pure reasoning or free thinking, a philosophical system (particularly one of the six principal darśanas q. v. ). 7 A name for the number ‘six’. 8 Supplying an ellipsis. 9 Cause, motive. 10 Wish, desire. — rkA Speculation, reasoning. Comp. — ABAsaH fallacious reasoning, fallacy in drawing conclusions. — vidyA logic. — SAstraM 1 logic. 2 a philosophical work.