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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 4401 |
. 2
|
| 3 | df-xp 4760 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3277 |
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 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-in 3220 df-ss 3227 df-opab 4177 df-xp 4760 |
| This theorem is referenced by: brab2ga 4830 dmoprabss 6143 ecopovsym 6878 ecopovtrn 6879 ecopover 6880 ecopovsymg 6881 ecopovtrng 6882 ecopoverg 6883 opabfi 7213 netap 7584 2omotaplemap 7587 2omotaplemst 7588 enqex 7691 ltrelnq 7696 enq0ex 7770 ltrelpr 7836 enrex 8068 ltrelsr 8069 ltrelre 8164 ltrelxr 8350 dvdszrcl 12503 releqgg 13973 eqgex 13974 prdsex 14114 prdsval 14115 prdsbaslemss 14116 aprval 14529 aprap 14536 aprprop 14539 lmfval 15184 pellexlem3 15973 lgsquadlemofi 16075 lgsquadlem1 16076 lgsquadlem2 16077 |
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