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| 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 4396 |
. 2
|
| 3 | df-xp 4755 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3273 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-in 3217 df-ss 3224 df-opab 4172 df-xp 4755 |
| This theorem is referenced by: brab2ga 4825 dmoprabss 6135 ecopovsym 6865 ecopovtrn 6866 ecopover 6867 ecopovsymg 6868 ecopovtrng 6869 ecopoverg 6870 opabfi 7200 netap 7568 2omotaplemap 7571 2omotaplemst 7572 enqex 7675 ltrelnq 7680 enq0ex 7754 ltrelpr 7820 enrex 8052 ltrelsr 8053 ltrelre 8148 ltrelxr 8334 dvdszrcl 12478 prdsex 13482 prdsval 13486 prdsbaslemss 13487 releqgg 13937 eqgex 13938 aprval 14428 aprap 14432 lmfval 15058 pellexlem3 15847 lgsquadlemofi 15949 lgsquadlem1 15950 lgsquadlem2 15951 |
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