[ add ] Algebra.Definitions.Central plus Consequences for Identity and Zero
#2873
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jamesmckinna
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JacquesCarette,
MatthewDaggitt and
Taneb
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MatthewDaggitt
This was referenced Nov 12, 2025
JacquesCarette
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Nov 18, 2025
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This is a 90% approve, with picky feedback.
Co-authored-by: Jacques Carette <[email protected]>
Taneb
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Nov 18, 2025
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Hmmm... possible (downstream?) refactoring opportunity for ε-comm : ∀ a → a ∙ ε ≈ ε ∙ a
ε-comm a = trans (identityʳ a) (sym (identityˡ a))with ε-central : Central _∙_ ε
ε-central = Consequences.identity⇒central identityinstead? |
JacquesCarette
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Nov 18, 2025
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Lifted out of #2863 for low-effort review and merging?