Commit 2022-05-28 11:42 d0efbcb0

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feat(model_theory/elementary_maps): Elementary maps respect all (bounded) formulas (#14252) Generalizes elementary_embedding.map_formula to more classes of formula.

Estimated changes

Modified src/data/set/basic.lean

added theorem set.inclusion_eq_id

Modified src/model_theory/elementary_maps.lean

added theorem first_order.language.elementary_embedding.Theory_model_iff

added theorem first_order.language.elementary_embedding.map_bounded_formula

modified theorem first_order.language.elementary_embedding.map_formula

added theorem first_order.language.elementary_embedding.map_sentence