PFR/Mathlib/LinearAlgebra/Dimension/Finrank.lean
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Project sources: Pinned project documentation, Polynomial Freiman-Ruzsa proof paper, arXiv v2
1 declarations, 0 contain sorry, 0 declared as axioms
Imports (1)
Imported by 2 files
- abbrev
Submodule.finrankThe dimension of a submodule line 8 sourceSource documentation
The dimension of a submodule
standard axioms: Classical.choice, Quot.sound, propext what this means
Statement uses:
Ring,AddCommGroup,Module,Submodule,NatProof uses:
Module.finrank,Subtype,Membership.mem8 instances, coercions and auxiliary constants left out.
noncomputable abbrev Submodule.finrank {R M : Type*} [Ring R] [AddCommGroup M] [Module R M] (S : Submodule R M) : ℕ := Module.finrank R S