| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8935 | . 2 ⊢ Rel ≼ | |
| 2 | reldif 5790 | . . 3 ⊢ (Rel ≼ → Rel ( ≼ ∖ ≈ )) | |
| 3 | df-sdom 8932 | . . . 4 ⊢ ≺ = ( ≼ ∖ ≈ ) | |
| 4 | 3 | releqi 5752 | . . 3 ⊢ (Rel ≺ ↔ Rel ( ≼ ∖ ≈ )) |
| 5 | 2, 4 | sylibr 236 | . 2 ⊢ (Rel ≼ → Rel ≺ ) |
| 6 | 1, 5 | ax-mp 5 | 1 ⊢ Rel ≺ |
| Colors of variables: wff setvar class |
| Syntax hints: ∖ cdif 3903 Rel wrel 5654 ≈ cen 8926 ≼ cdom 8927 ≺ csdm 8928 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1565 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-v 3458 df-dif 3909 df-ss 3923 df-opab 5165 df-xp 5655 df-rel 5656 df-dom 8931 df-sdom 8932 |
| This theorem is referenced by: domdifsn 9034 sdomirr 9088 sdomdif 9099 sucdom2 9173 0sdom1dom 9192 1sdom2dom 9200 unxpdom 9205 unxpdom2 9206 sucxpdom 9207 isfinite2 9244 fin2inf 9250 fodomfir 9274 card2on 9504 djuxpdom 10144 djufi 10145 infdif 10166 cfslb2n 10227 isfin5 10258 isfin6 10259 isfin4p1 10274 fin56 10352 fin67 10354 sdomsdomcard 10519 gchi 10584 canthp1lem1 10612 canthp1lem2 10613 canthp1 10614 frgpnabl 19917 fphpd 43398 sdomne0 43994 sdomne0d 43995 |
| Copyright terms: Public domain | W3C validator |