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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 4378 |
. 2
|
| 3 | df-xp 4737 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3263 |
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 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-in 3207 df-ss 3214 df-opab 4156 df-xp 4737 |
| This theorem is referenced by: brab2ga 4807 dmoprabss 6113 ecopovsym 6843 ecopovtrn 6844 ecopover 6845 ecopovsymg 6846 ecopovtrng 6847 ecopoverg 6848 opabfi 7175 netap 7516 2omotaplemap 7519 2omotaplemst 7520 enqex 7623 ltrelnq 7628 enq0ex 7702 ltrelpr 7768 enrex 8000 ltrelsr 8001 ltrelre 8096 ltrelxr 8282 dvdszrcl 12416 prdsex 13415 prdsval 13419 prdsbaslemss 13420 releqgg 13870 eqgex 13871 aprval 14361 aprap 14365 lmfval 14987 pellexlem3 15776 lgsquadlemofi 15878 lgsquadlem1 15879 lgsquadlem2 15880 |
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