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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 8498 | . 2 ⊢ Rel ≼ | |
2 | reldif 5652 | . . 3 ⊢ (Rel ≼ → Rel ( ≼ ∖ ≈ )) | |
3 | df-sdom 8495 | . . . 4 ⊢ ≺ = ( ≼ ∖ ≈ ) | |
4 | 3 | releqi 5616 | . . 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 3878 Rel wrel 5524 ≈ cen 8489 ≼ cdom 8490 ≺ csdm 8491 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-opab 5093 df-xp 5525 df-rel 5526 df-dom 8494 df-sdom 8495 |
This theorem is referenced by: domdifsn 8583 sucdom2 8610 sdom0 8633 sdomirr 8638 sdomdif 8649 sdom1 8702 unxpdom 8709 unxpdom2 8710 sucxpdom 8711 isfinite2 8760 fin2inf 8765 card2on 9002 djuxpdom 9596 djufi 9597 infdif 9620 cfslb2n 9679 isfin5 9710 isfin6 9711 isfin4p1 9726 fin56 9804 fin67 9806 sdomsdomcard 9971 gchi 10035 canthp1lem1 10063 canthp1lem2 10064 canthp1 10065 frgpnabl 18988 fphpd 39757 |
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