---

Step * 1 of Lemma add_grp_of_rng_wf_b


1. r : Rng
⊢ r↓+gp ∈ AbGrp
BY
{ MemTypeCD THENA Auto }

1
1. r : Rng
⊢ r↓+gp ∈ Group{i}

2
.....set predicate..... 
1. r : Rng
⊢ Comm(|r↓+gp|;*)

---

Latex:

---

Latex:

1.  r  :  Rng
\mvdash{}  r\mdownarrow{}+gp  \mmember{}  AbGrp


By

---

Latex:
MemTypeCD  THENA  Auto

---

Home Index