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Theorem order.ideal.is_proper_of_not_mem

Modification history

2021-03-30 03:44
src/order/ideal.lean
feat(order/ideal, order/pfilter, order/prime_ideal): added `is_ideal`, `is_pfilter`, `is_prime`, `is_maximal`, `prime_pair` (#6656) …
Added order.ideal.is_proper_of_not_memView on Github →