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| Mirrors > Home > MPE Home > Th. List > sdomdom | Structured version Visualization version GIF version | ||
| Description: Strict dominance implies dominance. (Contributed by NM, 10-Jun-1998.) |
| Ref | Expression |
|---|---|
| sdomdom | ⊢ (𝐴 ≺ 𝐵 → 𝐴 ≼ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brsdom 9001 | . 2 ⊢ (𝐴 ≺ 𝐵 ↔ (𝐴 ≼ 𝐵 ∧ ¬ 𝐴 ≈ 𝐵)) | |
| 2 | 1 | simplbi 502 | 1 ⊢ (𝐴 ≺ 𝐵 → 𝐴 ≼ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 class class class wbr 5103 ≈ cen 8970 ≼ cdom 8971 ≺ csdm 8972 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-v 3453 df-dif 3902 df-br 5104 df-sdom 8976 |
| This theorem is used by: domdifsn 9079 sdomnsym 9121 sdomdomtr 9129 domsdomtr 9131 sdomtr 9134 domnsymfi 9215 sdomdomtrfi 9216 domsdomtrfi 9217 sucdom2 9218 php3 9224 1sdom2dom 9245 sucxpdom 9252 findcard3 9274 isfinite2 9290 card2on 9548 fict 9654 fidomtri2 10075 prdom2 10085 infxpenlem 10092 indcardi 10120 alephnbtwn2 10151 alephsucdom 10158 alephdom 10160 dfac13 10221 djulepw 10271 infdjuabs 10283 infdif 10286 infunsdom1 10290 infunsdom 10291 infxp 10292 cfslb2n 10346 sdom2en01 10380 isfin32i 10443 fin34 10468 fin67 10473 hsmexlem1 10504 hsmex3 10512 entri3 10643 alephexp1 10664 gchdomtri 10714 canthp1 10739 pwfseqlem5 10748 gchdjuidm 10753 gchxpidm 10754 gchpwdom 10755 hargch 10758 gchaclem 10763 gchhar 10764 gchac 10766 inawinalem 10774 inar1 10860 rankcf 10862 tskuni 10868 grothac 10915 rpnnen 16395 rexpen 16396 aleph1irr 16414 dis1stc 23818 hauspwdom 23820 sibfof 34972 ctbssinf 38329 pibt2 38340 heiborlem3 38747 harinf 44040 saluncl 47326 meadjun 47471 meaiunlelem 47477 omeunle 47525 |
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