| Step | Hyp | Ref | Expression | 
						
							| 1 |  | bnj999.1 |  | 
						
							| 2 |  | bnj999.2 |  | 
						
							| 3 |  | bnj999.3 |  | 
						
							| 4 |  | bnj999.7 | Could not format  ( ph' <-> [. p / n ]. ph ) : No typesetting found for |- ( ph' <-> [. p / n ]. ph ) with typecode |- | 
						
							| 5 |  | bnj999.8 | Could not format  ( ps' <-> [. p / n ]. ps ) : No typesetting found for |- ( ps' <-> [. p / n ]. ps ) with typecode |- | 
						
							| 6 |  | bnj999.9 | Could not format  ( ch' <-> [. p / n ]. ch ) : No typesetting found for |- ( ch' <-> [. p / n ]. ch ) with typecode |- | 
						
							| 7 |  | bnj999.10 | Could not format  ( ph" <-> [. G / f ]. ph' ) : No typesetting found for |- ( ph" <-> [. G / f ]. ph' ) with typecode |- | 
						
							| 8 |  | bnj999.11 | Could not format  ( ps" <-> [. G / f ]. ps' ) : No typesetting found for |- ( ps" <-> [. G / f ]. ps' ) with typecode |- | 
						
							| 9 |  | bnj999.12 | Could not format  ( ch" <-> [. G / f ]. ch' ) : No typesetting found for |- ( ch" <-> [. G / f ]. ch' ) with typecode |- | 
						
							| 10 |  | bnj999.15 |  | 
						
							| 11 |  | bnj999.16 |  | 
						
							| 12 |  | vex |  | 
						
							| 13 | 3 4 5 6 12 | bnj919 | Could not format  ( ch' <-> ( p e. D /\ f Fn p /\ ph' /\ ps' ) ) : No typesetting found for |- ( ch' <-> ( p e. D /\ f Fn p /\ ph' /\ ps' ) ) with typecode |- | 
						
							| 14 | 11 | bnj918 |  | 
						
							| 15 | 13 7 8 9 14 | bnj976 | Could not format  ( ch" <-> ( p e. D /\ G Fn p /\ ph" /\ ps" ) ) : No typesetting found for |- ( ch" <-> ( p e. D /\ G Fn p /\ ph" /\ ps" ) ) with typecode |- | 
						
							| 16 | 15 | bnj1254 | Could not format  ( ch" -> ps" ) : No typesetting found for |- ( ch" -> ps" ) with typecode |- | 
						
							| 17 | 16 | anim1i | Could not format  ( ( ch" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) -> ( ps" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) : No typesetting found for |- ( ( ch" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) -> ( ps" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) with typecode |- | 
						
							| 18 |  | bnj252 | Could not format  ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) <-> ( ch" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) : No typesetting found for |- ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) <-> ( ch" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) with typecode |- | 
						
							| 19 |  | bnj252 | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) <-> ( ps" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) <-> ( ps" /\ ( i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) ) with typecode |- | 
						
							| 20 | 17 18 19 | 3imtr4i | Could not format  ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) : No typesetting found for |- ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) ) with typecode |- | 
						
							| 21 |  | ssiun2 |  | 
						
							| 22 | 21 | bnj708 | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ U_ y e. ( G ` i ) _pred ( y , A , R ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ U_ y e. ( G ` i ) _pred ( y , A , R ) ) with typecode |- | 
						
							| 23 |  | 3simpa | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( ps" /\ i e. _om ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( ps" /\ i e. _om ) ) with typecode |- | 
						
							| 24 | 23 | ancomd | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( i e. _om /\ ps" ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( i e. _om /\ ps" ) ) with typecode |- | 
						
							| 25 |  | simp3 | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p ) -> suc i e. p ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p ) -> suc i e. p ) with typecode |- | 
						
							| 26 | 2 5 12 | bnj539 | Could not format  ( ps' <-> A. i e. _om ( suc i e. p -> ( f ` suc i ) = U_ y e. ( f ` i ) _pred ( y , A , R ) ) ) : No typesetting found for |- ( ps' <-> A. i e. _om ( suc i e. p -> ( f ` suc i ) = U_ y e. ( f ` i ) _pred ( y , A , R ) ) ) with typecode |- | 
						
							| 27 | 26 8 10 11 | bnj965 | Could not format  ( ps" <-> A. i e. _om ( suc i e. p -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) ) : No typesetting found for |- ( ps" <-> A. i e. _om ( suc i e. p -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) ) with typecode |- | 
						
							| 28 | 27 | bnj228 | Could not format  ( ( i e. _om /\ ps" ) -> ( suc i e. p -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) ) : No typesetting found for |- ( ( i e. _om /\ ps" ) -> ( suc i e. p -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) ) with typecode |- | 
						
							| 29 | 24 25 28 | sylc | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p ) -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) with typecode |- | 
						
							| 30 | 29 | bnj721 | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> ( G ` suc i ) = U_ y e. ( G ` i ) _pred ( y , A , R ) ) with typecode |- | 
						
							| 31 | 22 30 | sseqtrrd | Could not format  ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ ( G ` suc i ) ) : No typesetting found for |- ( ( ps" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ ( G ` suc i ) ) with typecode |- | 
						
							| 32 | 20 31 | syl | Could not format  ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ ( G ` suc i ) ) : No typesetting found for |- ( ( ch" /\ i e. _om /\ suc i e. p /\ y e. ( G ` i ) ) -> _pred ( y , A , R ) C_ ( G ` suc i ) ) with typecode |- |