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Theorem fin.preimage_insert_nth_Icc_of_mem

Modification history

2021-11-14 15:22
src/data/fin/basic.lean
chore(data/fin/basic): move tuple stuff to a new file (#10295) …
Modified fin.preimage_insert_nth_Icc_of_memView on Github →
2020-11-22 14:51
src/data/fin.lean
chore(data/fin): a few more lemmas about `fin.insert_nth` (#5079)
Added fin.preimage_insert_nth_Icc_of_memView on Github →