first_iso_phi_mul

forall (G : Sort succ u), forall (oneG : G), forall (mulG : forall (a : G), forall (b : G), G), forall (invG : forall (a : G), G), forall (H : Sort succ v), forall (oneH : H), forall (mulH : forall (a : H), forall (b : H), H), forall (invH : forall (a : H), H), forall (f : forall (x : G), H), forall (hom_args : @GroupHomLawArgs.{succ u,succ v} G oneG mulG invG H oneH mulH invH f), forall (q1 : @KerQuot.{u,v} G H f), forall (q2 : @KerQuot.{u,v} G H f), @Eq.{succ v} H (@KerQuotToH.{u,v} G H f (@KerQuotMul.{u,v} G oneG mulG invG H oneH mulH invH f hom_args q1 q2)) (mulH (@KerQuotToH.{u,v} G H f q1) (@KerQuotToH.{u,v} G H f q2))

fun G => fun oneG => fun mulG => fun invG => fun H => fun oneH => fun mulH => fun invH => fun f => fun hom_args => @ker_quot_to_h_mul.{u,v} G oneG mulG invG H oneH mulH invH f hom_args