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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 4366 |
. 2
|
| 3 | df-xp 4725 |
. 2
| |
| 4 | 2, 3 | sseqtrri 3259 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-in 3203 df-ss 3210 df-opab 4146 df-xp 4725 |
| This theorem is referenced by: brab2ga 4794 dmoprabss 6092 ecopovsym 6786 ecopovtrn 6787 ecopover 6788 ecopovsymg 6789 ecopovtrng 6790 ecopoverg 6791 opabfi 7111 netap 7451 2omotaplemap 7454 2omotaplemst 7455 enqex 7558 ltrelnq 7563 enq0ex 7637 ltrelpr 7703 enrex 7935 ltrelsr 7936 ltrelre 8031 ltrelxr 8218 dvdszrcl 12318 prdsex 13317 prdsval 13321 prdsbaslemss 13322 releqgg 13772 eqgex 13773 aprval 14261 aprap 14265 lmfval 14882 lgsquadlemofi 15770 lgsquadlem1 15771 lgsquadlem2 15772 |
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