Step
*
2
1
of Lemma
quot_ring_car_elim
.....aux.....
1. r : CRng
2. a : Ideal(r){i}
3. ∀x:|r|. SqStable(a x)@i
4. d : detach_fun(|r|;a)
5. u : |r|
6. v : |r|
7. ↑(d (u +r (-r v)))
⊢ EquivRel(|r|;x,y.↑(d (x +r (-r y))))
BY
{ EAuto 1 }
Latex:
Latex:
.....aux.....
1. r : CRng
2. a : Ideal(r)\{i\}
3. \mforall{}x:|r|. SqStable(a x)@i
4. d : detach\_fun(|r|;a)
5. u : |r|
6. v : |r|
7. \muparrow{}(d (u +r (-r v)))
\mvdash{} EquivRel(|r|;x,y.\muparrow{}(d (x +r (-r y))))
By
Latex:
EAuto 1
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