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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 4415 |
. 2
|
| 3 | df-xp 4775 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3283 |
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 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 theorem 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 4188 df-xp 4775 |
| This theorem is referenced by: brab2ga 4845 dmoprabss 6160 ecopovsym 6895 ecopovtrn 6896 ecopover 6897 ecopovsymg 6898 ecopovtrng 6899 ecopoverg 6900 opabfi 7237 netap 7610 2omotaplemap 7613 2omotaplemst 7614 enqex 7717 ltrelnq 7722 enq0ex 7796 ltrelpr 7862 enrex 8094 ltrelsr 8095 ltrelre 8190 ltrelxr 8376 dvdszrcl 12537 releqgg 14000 eqgex 14001 prdsex 14149 prdsval 14150 prdsbaslemss 14151 aprval 14564 aprap 14571 aprprop 14574 lmfval 15217 pellexlem3 16007 lgsquadlemofi 16109 lgsquadlem1 16110 lgsquadlem2 16111 |
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