OAI/Algebra/Finitistic/Bar/RecursiveSuffixCoefficient.lean

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6 declarations, 0 contain sorry, 0 declared as axioms

  1. theorem OAI.DerivedBar.ParityBridge.coefficient_termCast line 26
  2. theorem OAI.DerivedBar.ParityBridge.barSuffix_coefficient_zero line 35

    Source documentation

    The first X factor is killed by the exterior projection A -> D.

    theorem barSuffix_coefficient_zero (V : ModuleCat.{u} D) (s i : ℕ)
        (e : V →ₗ[k] term k A N s) (v : ((XB).obj V).X i) :
        FreeBaseChange.coefficient (fstHom k D X) (term k A N (s+i))
          (barSuffix k D X N V s i e v) = 0 := by
    …

    Mentions: OAI.DerivedBar.term, OAI.DerivedBar.FreeBaseChange.coefficient, OAI.DerivedBar.ParityBridge.barSuffix

  3. theorem OAI.DerivedBar.ParityBridge.innerEmbedding_coefficient_of_pos line 50

    Source documentation

    The exterior endpoint vanishes at every positive suffix degree, including zero input summands when no X has yet been inserted.

    theorem innerEmbedding_coefficient_of_pos (r n s : ℕ) (hs : r+n=s+1)
        (v : RecursiveTotal.flat B Z r n) :
        FreeBaseChange.coefficient (fstHom k D X) (term k A N s)
          (termCast k D X N hs (innerEmbedding k D X N r n v)) = 0 := by
    …

    Mentions: OAI.DerivedBar.RecursiveTotal.flat, OAI.DerivedBar.FreeBaseChange.coefficient, OAI.DerivedBar.term, OAI.DerivedBar.ParityBridge.termCast, OAI.DerivedBar.ParityBridge.innerEmbedding

  4. theorem OAI.DerivedBar.ParityBridge.innerTotalEmbedding_coefficient_of_pos line 76
  5. theorem OAI.DerivedBar.ParityBridge.innerEmbedding_coefficient_zero line 82
  6. theorem OAI.DerivedBar.ParityBridge.innerTotalEmbedding_coefficient_zero line 89