（1） Reasoning， inference， deduction， presumption; also includes the meaning of proof， or demonstration （anuma^na）. In Buddhist psychology this contains two aspects: inference for oneself and proof for others. （2） Wonhyo divides this into the two aspects of positing the truth 立正 and refuting the false 破邪. ［二障义HPC 1.812c］（3） In the early school of Hetu-vidya^ 因明 the ability to know about a first thing because of a second thing. For instance， seeing smoke， we know there is fire. Anuma^na is one of three kinds of cognitive operation 三量.