| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > opabssxp | Unicode version | ||
| Description: An abstraction relation is a subset of a related cross product. (Contributed by NM, 16-Jul-1995.) |
| Ref | Expression |
|---|---|
| opabssxp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 |
. . 3
| |
| 2 | 1 | ssopab2i 4420 |
. 2
|
| 3 | df-xp 4780 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3283 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-in 3226 df-ss 3233 df-opab 4193 df-xp 4780 |
| This theorem is used by: brab2ga 4850 dmoprabss 6170 ecopovsym 6905 ecopovtrn 6906 ecopover 6907 ecopovsymg 6908 ecopovtrng 6909 ecopoverg 6910 opabfi 7247 netap 7621 2omotaplemap 7624 2omotaplemst 7625 enqex 7728 ltrelnq 7733 enq0ex 7807 ltrelpr 7873 enrex 8105 ltrelsr 8106 ltrelre 8201 ltrelxr 8387 dvdszrcl 12577 releqgg 14074 eqgex 14075 prdsex 14223 prdsval 14224 prdsbaslemss 14225 aprval 14642 aprap 14649 aprprop 14652 lmfval 15346 pellexlem3 16153 lgsquadlemofi 16317 lgsquadlem1 16318 lgsquadlem2 16319 |
| Copyright terms: Public domain | W3C validator |