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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 9012 | . 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 5105 ≈ cen 8981 ≼ cdom 8982 ≺ csdm 8983 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2101 df-clab 2742 df-cleq 2755 df-clel 2838 df-v 3455 df-dif 4049 df-br 5106 df-sdom 8987 |
| This theorem is used by: domdifsn 9090 sdomnsym 9132 sdomdomtr 9140 domsdomtr 9142 sdomtr 9145 domnsymfi 9226 sdomdomtrfi 9227 domsdomtrfi 9228 sucdom2 9229 php3 9235 1sdom2dom 9256 sucxpdom 9263 findcard3 9285 isfinite2 9301 card2on 9558 fict 9664 fidomtri2 10085 prdom2 10095 infxpenlem 10102 indcardi 10130 alephnbtwn2 10161 alephsucdom 10168 alephdom 10170 dfac13 10231 djulepw 10281 infdjuabs 10293 infdif 10296 infunsdom1 10300 infunsdom 10301 infxp 10302 cfslb2n 10356 sdom2en01 10390 isfin32i 10453 fin34 10478 fin67 10483 hsmexlem1 10514 hsmex3 10522 entri3 10653 alephexp1 10674 gchdomtri 10724 canthp1 10749 pwfseqlem5 10758 gchdjuidm 10763 gchxpidm 10764 gchpwdom 10765 hargch 10768 gchaclem 10773 gchhar 10774 gchac 10776 inawinalem 10784 inar1 10870 rankcf 10872 tskuni 10878 grothac 10925 rpnnen 16407 rexpen 16408 aleph1irr 16426 dis1stc 23830 hauspwdom 23832 sibfof 35025 dfac16 35825 ctbssinf 38469 heiborlem3 38887 harinf 44181 saluncl 47466 meadjun 47611 meaiunlelem 47617 omeunle 47665 |
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