宣言 せんげん 具象 ぐしょう構文 こうぶんであれば
sengenzumi gushō kōbundeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 宣言済み具象構文

1. If the declared concrete syntax exists; If a declared concrete syntax is present

Ba Conditional
Computing