📁 Source: Mathlib/RingTheory/SimpleModule/Rank.lean
isSimpleModule_iff_finrank_eq_one
IsSimpleModule
DivisionRing.toRing
Module.finrank
DivisionSemiring.toSemiring
DivisionRing.toDivisionSemiring
AddCommGroup.toAddCommMonoid
IsSimpleModule.nontrivial
exists_ne
finrank_eq_one_iff_of_nonzero'
IsSimpleModule.toSpanSingleton_surjective
isSimpleModule_iff
is_simple_module_of_finrank_eq_one
IsScalarTower.left
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