מילון על עבודה זרה 38:25

If he transgressed and built. Rebbi Eleazar said, it remains permitted²¹⁴Halakhah 1:5, Note 156. The Babli, 19b, knows only of R. Eleazar’s ruling.. Rebbi Mana said, it rather seems reasonable following the opinion that it is forbidden because he would have prevented²¹⁵From the verb حيد “to deviate”. Maybe if the Jew had refused to build the cupola it would not have been built. the entire cupola.