At: assert subst mentions trace21 1. as: (LabelTerm) List 2. u: LabelTerm 3. v: (LabelTerm) List 4. subst_mentions_trace(v) (i:||v||. mentions_trace(2of(v[i])))
mentions_trace(2of(u)) subst_mentions_trace(v) (i:(||v||+1). mentions_trace(2of([u / v][i]))) By: Auto
THEN
Analyze -1
THEN
AllHyps SimpHyp
THEN
Try ((InstConcl [0]) THEN (Reduce 0) THEN (Complete Auto))
THEN
Try (ExRepD THEN (InstConcl [i+1]) THEN (RW SelectConsC 0)) Generated subgoal: