Step
*
1
1
2
of Lemma
rng_to_alg_wf
.....set predicate.....
1. R : Rng
2. Comm(|R|;*)
⊢ IsGroup(rng_to_alg(R).car;rng_to_alg(R).plus;rng_to_alg(R).zero;rng_to_alg(R).minus)
∧ Comm(rng_to_alg(R).car;rng_to_alg(R).plus)
∧ IsAction(|R|;*;1;rng_to_alg(R).car;rng_to_alg(R).act)
∧ IsBilinear(|R|;rng_to_alg(R).car;rng_to_alg(R).car;+R;rng_to_alg(R).plus;rng_to_alg(R).plus;rng_to_alg(R).act)
BY
{ AbReduce 0 }
1
1. R : Rng
2. Comm(|R|;*)
⊢ IsGroup(|R|;+R;0;-R) ∧ Comm(|R|;+R) ∧ IsAction(|R|;*;1;|R|;*) ∧ IsBilinear(|R|;|R|;|R|;+R;+R;+R;*)
Latex:
Latex:
.....set predicate.....
1. R : Rng
2. Comm(|R|;*)
\mvdash{} IsGroup(rng\_to\_alg(R).car;rng\_to\_alg(R).plus;rng\_to\_alg(R).zero;rng\_to\_alg(R).minus)
\mwedge{} Comm(rng\_to\_alg(R).car;rng\_to\_alg(R).plus)
\mwedge{} IsAction(|R|;*;1;rng\_to\_alg(R).car;rng\_to\_alg(R).act)
\mwedge{} IsBilinear(|R|;rng\_to\_alg(R).car;rng\_to\_alg(R).car;+R;rng\_to\_alg(R).plus;rng\_to\_alg
(R).plus;rng\_to\_alg
(R).act)
By
Latex:
AbReduce 0
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