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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 4372 |
. 2
|
| 3 | df-xp 4731 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3262 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-in 3206 df-ss 3213 df-opab 4151 df-xp 4731 |
| This theorem is referenced by: brab2ga 4801 dmoprabss 6102 ecopovsym 6799 ecopovtrn 6800 ecopover 6801 ecopovsymg 6802 ecopovtrng 6803 ecopoverg 6804 opabfi 7131 netap 7472 2omotaplemap 7475 2omotaplemst 7476 enqex 7579 ltrelnq 7584 enq0ex 7658 ltrelpr 7724 enrex 7956 ltrelsr 7957 ltrelre 8052 ltrelxr 8239 dvdszrcl 12352 prdsex 13351 prdsval 13355 prdsbaslemss 13356 releqgg 13806 eqgex 13807 aprval 14295 aprap 14299 lmfval 14916 lgsquadlemofi 15804 lgsquadlem1 15805 lgsquadlem2 15806 |
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