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| Mirrors > Home > MPE Home > Th. List > relsdom | Structured version Visualization version GIF version | ||
| Description: Strict dominance is a relation. (Contributed by NM, 31-Mar-1998.) |
| Ref | Expression |
|---|---|
| relsdom | ⊢ Rel ≺ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reldom 8949 | . 2 ⊢ Rel ≼ | |
| 2 | reldif 5803 | . . 3 ⊢ (Rel ≼ → Rel ( ≼ ∖ ≈ )) | |
| 3 | df-sdom 8946 | . . . 4 ⊢ ≺ = ( ≼ ∖ ≈ ) | |
| 4 | 3 | releqi 5765 | . . 3 ⊢ (Rel ≺ ↔ Rel ( ≼ ∖ ≈ )) |
| 5 | 2, 4 | sylibr 237 | . 2 ⊢ (Rel ≼ → Rel ≺ ) |
| 6 | 1, 5 | ax-mp 5 | 1 ⊢ Rel ≺ |
| Colors of variables: wff setvar class |
| Syntax hints: ∖ cdif 3910 Rel wrel 5667 ≈ cen 8940 ≼ cdom 8941 ≺ csdm 8942 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-v 3465 df-dif 3916 df-ss 3930 df-opab 5178 df-xp 5668 df-rel 5669 df-dom 8945 df-sdom 8946 |
| This theorem is referenced by: domdifsn 9048 sdomirr 9102 sdomdif 9113 sucdom2 9187 0sdom1dom 9206 1sdom2dom 9214 unxpdom 9219 unxpdom2 9220 sucxpdom 9221 isfinite2 9258 fin2inf 9264 fodomfir 9287 card2on 9516 djuxpdom 10169 djufi 10170 infdif 10191 cfslb2n 10252 isfin5 10283 isfin6 10284 isfin4p1 10299 fin56 10377 fin67 10379 sdomsdomcard 10544 gchi 10609 canthp1lem1 10637 canthp1lem2 10638 canthp1 10639 frgpnabl 19945 kardsdom 35508 fphpd 43469 sdomne0 44065 sdomne0d 44066 |
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