[Avodah] psak and rationality

[Rich, Joel]

And the CI held that the Torah was determined during the middle 2 millenia, and any errors in science were siyata diShmaya in producing the Torah we have. In which case, the poseiq would be correct in working as if the statement is true even if he knows it isn't.

Tir'u baTov!
-Micha

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Does anyone have the source where the CI states this?
In addition, are there any antecedents to this holding and how does it corellate with the hashkafa that chazal knew all of science etc.?
GT
Joel Rich
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