---

Step * 1 2 2 of Lemma qrng_wf


1. IsGroup(ℚ;λx,y. (x + y);0;λx.-(x))
⊢ IsMonoid(ℚ;λx,y. (x * y);1)
BY
{ (RepUR ``monoid_p assoc ident`` 0 THEN Auto) }

---

Latex:

---

Latex:

1.  IsGroup(\mBbbQ{};\mlambda{}x,y.  (x  +  y);0;\mlambda{}x.-(x))
\mvdash{}  IsMonoid(\mBbbQ{};\mlambda{}x,y.  (x  *  y);1)


By

---

Latex:
(RepUR  ``monoid\_p  assoc  ident``  0  THEN  Auto)

---

Home Index