選言 せんげん てき さん だん論法 ろんぽうであれば
sengen teki sandanrompōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 選言的三段論法

1. If it is a disjunctive syllogism.; If a disjunctive syllogism is the case.

Ba Conditional