Step
*
of Lemma
drng_all_properties
∀[r:DRng]
(Assoc(|r|;+r)
∧ Ident(|r|;+r;0)
∧ Inverse(|r|;+r;0;-r)
∧ Assoc(|r|;*)
∧ Ident(|r|;*;1)
∧ BiLinear(|r|;+r;*)
∧ IsEqFun(|r|;=b))
BY
{ D 0 THENM (D 1) THENA Auto }
1
1. r : RngSig
2. IsRing(|r|;+r;0;-r;*;1) ∧ IsEqFun(|r|;=b)
⊢ Assoc(|r|;+r)
∧ Ident(|r|;+r;0)
∧ Inverse(|r|;+r;0;-r)
∧ Assoc(|r|;*)
∧ Ident(|r|;*;1)
∧ BiLinear(|r|;+r;*)
∧ IsEqFun(|r|;=b)
Latex:
Latex:
\mforall{}[r:DRng]
(Assoc(|r|;+r)
\mwedge{} Ident(|r|;+r;0)
\mwedge{} Inverse(|r|;+r;0;-r)
\mwedge{} Assoc(|r|;*)
\mwedge{} Ident(|r|;*;1)
\mwedge{} BiLinear(|r|;+r;*)
\mwedge{} IsEqFun(|r|;=\msubb{}))
By
Latex:
D 0 THENM (D 1) THENA Auto
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