Theorem DivisorChain.element_of_chain_not_isUnit_of_index_ne_zero

Modification history

2023-04-20 12:31
Mathlib/RingTheory/ChainOfDivisors.lean
feat: port RingTheory.ChainOfDivisors (#3056)
Added DivisorChain.element_of_chain_not_isUnit_of_index_ne_zeroView on Github →