Description: Well-Ordered Induction Schema, using implicit substitution. (Contributed by Scott Fenton, 11-Feb-2011)
Ref | Expression | ||
---|---|---|---|
Hypotheses | wfis2g.1 | |
|
wfis2g.2 | |
||
Assertion | wfis2g | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wfis2g.1 | |
|
2 | wfis2g.2 | |
|
3 | nfv | |
|
4 | 3 1 2 | wfis2fg | |