Nuprl - Pf member rel vars 2 2

(12steps) PrintForm Definitions mb automata 2 Sections GenAutomata Doc

1. x: Label
2. name: relname()
3. r1: Term List
4. u: Term
5. v: Term List
6. (x reduce(t,vs. term_vars(t) @ vs;nil;v))
7. i:. i < ||v|| & (x term_vars(v[i]))

i:. i < ||v||+1 & (x term_vars([u / v][i]))

By: (ExRepD THEN (InstConcl [i+1])) THENA (Auto THEN (Reduce 0))

Generated subgoal:

1 7. i:
8. i < ||v||
9. (x term_vars(v[i]))
i+1 < ||v||+1 & (x term_vars([u / v][(i+1)]))

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(12steps) PrintForm Definitions mb automata 2 Sections GenAutomata Doc