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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 9039 | . 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 5108 ≈ cen 9008 ≼ cdom 9009 ≺ csdm 9010 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-v 3456 df-dif 4050 df-br 5109 df-sdom 9014 |
| This theorem is used by: domdifsn 9117 sdomnsym 9159 sdomdomtr 9167 domsdomtr 9169 sdomtr 9172 domnsymfi 9253 sdomdomtrfi 9254 domsdomtrfi 9255 sucdom2 9256 php3 9262 1sdom2dom 9283 sucxpdom 9290 findcard3 9312 isfinite2 9328 card2on 9585 fict 9691 fidomtri2 10114 prdom2 10124 infxpenlem 10131 indcardi 10159 alephnbtwn2 10190 alephsucdom 10197 alephdom 10199 dfac13 10260 djulepw 10310 infdjuabs 10322 infdif 10325 infunsdom1 10329 infunsdom 10330 infxp 10331 cfslb2n 10385 sdom2en01 10419 isfin32i 10482 fin34 10507 fin67 10512 hsmexlem1 10543 hsmex3 10551 entri3 10682 alephexp1 10703 gchdomtri 10753 canthp1 10778 pwfseqlem5 10787 gchdjuidm 10792 gchxpidm 10793 gchpwdom 10794 hargch 10797 gchaclem 10802 gchhar 10803 gchac 10805 inawinalem 10813 inar1 10899 rankcf 10901 tskuni 10907 grothac 10954 rpnnen 16439 rexpen 16440 aleph1irr 16458 dis1stc 23873 hauspwdom 23875 sibfof 35083 dfac16 35887 ctbssinf 38597 heiborlem3 39013 harinf 44307 saluncl 47600 meadjun 47745 meaiunlelem 47751 omeunle 47799 |
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