Description: First-order logic and set theory. (Contributed by Jonathan Ben-Naim, 3-Jun-2011) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | bnj118.1 | ||
bnj118.2 | No typesetting found for |- ( ph' <-> [. 1o / n ]. ph ) with typecode |- | ||
Assertion | bnj118 | Could not format assertion : No typesetting found for |- ( ph' <-> ( f ` (/) ) = _pred ( x , A , R ) ) with typecode |- |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bnj118.1 | ||
2 | bnj118.2 | Could not format ( ph' <-> [. 1o / n ]. ph ) : No typesetting found for |- ( ph' <-> [. 1o / n ]. ph ) with typecode |- | |
3 | bnj105 | ||
4 | 1 3 | bnj91 | |
5 | 2 4 | bitri | Could not format ( ph' <-> ( f ` (/) ) = _pred ( x , A , R ) ) : No typesetting found for |- ( ph' <-> ( f ` (/) ) = _pred ( x , A , R ) ) with typecode |- |