At: apply alist member221 1. T: Type 2. as: (LabelT) List 3. u: LabelT 4. v: (LabelT) List 5. d1,d2:T, x:Label. (x 1of(unzip(v))) apply_alist(v;x;d1) = apply_alist(v;x;d2) 6. d1: T 7. d2: T 8. x: Label 9. (x 1of(unzip([u / v]))) 10. 1of(u) = x
apply_alist(v;x;d1) = apply_alist(v;x;d2) By: BackThruSomeHyp
THEN
All (Unfold `unzip`)
THEN
All Reduce
THEN
RWW "cons_member" -2
THEN
Analyze -2 Generated subgoal: