| 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 8890 | . 2 ⊢ Rel ≼ | |
| 2 | reldif 5759 | . . 3 ⊢ (Rel ≼ → Rel ( ≼ ∖ ≈ )) | |
| 3 | df-sdom 8887 | . . . 4 ⊢ ≺ = ( ≼ ∖ ≈ ) | |
| 4 | 3 | releqi 5722 | . . 3 ⊢ (Rel ≺ ↔ Rel ( ≼ ∖ ≈ )) |
| 5 | 2, 4 | sylibr 235 | . 2 ⊢ (Rel ≼ → Rel ≺ ) |
| 6 | 1, 5 | ax-mp 5 | 1 ⊢ Rel ≺ |
| Colors of variables: wff setvar class |
| Syntax hints: ∖ cdif 3880 Rel wrel 5624 ≈ cen 8881 ≼ cdom 8882 ≺ csdm 8883 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-v 3433 df-dif 3886 df-ss 3900 df-opab 5136 df-xp 5625 df-rel 5626 df-dom 8886 df-sdom 8887 |
| This theorem is referenced by: domdifsn 8989 sdomirr 9043 sdomdif 9054 sucdom2 9128 0sdom1dom 9147 1sdom2dom 9155 unxpdom 9160 unxpdom2 9161 sucxpdom 9162 isfinite2 9199 fin2inf 9205 fodomfir 9229 card2on 9460 djuxpdom 10100 djufi 10101 infdif 10122 cfslb2n 10182 isfin5 10213 isfin6 10214 isfin4p1 10229 fin56 10307 fin67 10309 sdomsdomcard 10474 gchi 10539 canthp1lem1 10567 canthp1lem2 10568 canthp1 10569 frgpnabl 19842 fphpd 43270 sdomne0 43866 sdomne0d 43867 |
| Copyright terms: Public domain | W3C validator |