PFR/Mathlib/LinearAlgebra/Dimension/Finrank.lean

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L4DEL
Lean4 Domain Explanation Language

Credit: The upstream authors and contributors retain credit for the project and mathematics. lean4-explainer only renders their pinned source and adds the separately disclosed explanation layer.

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
  1. abbrev Submodule.finrank The dimension of a submodule line 8 source

    Source documentation

    The dimension of a submodule

    standard axioms: Classical.choice, Quot.sound, propext what this means

    Statement uses: Ring, AddCommGroup, Module, Submodule, Nat

    Proof uses: Module.finrank, Subtype, Membership.mem

    8 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