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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 8977 | . 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 5111 ≈ cen 8946 ≼ cdom 8947 ≺ csdm 8948 |
| 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 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 df-dif 3909 df-br 5112 df-sdom 8952 |
| This theorem is used by: domdifsn 9055 sdomnsym 9097 sdomdomtr 9105 domsdomtr 9107 sdomtr 9110 domnsymfi 9191 sdomdomtrfi 9192 domsdomtrfi 9193 sucdom2 9194 php3 9200 1sdom2dom 9221 sucxpdom 9228 findcard3 9250 isfinite2 9265 card2on 9523 fict 9629 fidomtri2 9996 prdom2 10006 infxpenlem 10013 indcardi 10041 alephnbtwn2 10072 alephsucdom 10079 alephdom 10081 dfac13 10142 djulepw 10192 infdjuabs 10204 infdif 10207 infunsdom1 10211 infunsdom 10212 infxp 10213 cfslb2n 10267 sdom2en01 10301 isfin32i 10364 fin34 10389 fin67 10394 hsmexlem1 10425 hsmex3 10433 entri3 10560 alephexp1 10581 gchdomtri 10631 canthp1 10656 pwfseqlem5 10665 gchdjuidm 10670 gchxpidm 10671 gchpwdom 10672 hargch 10675 gchaclem 10680 gchhar 10681 gchac 10683 inawinalem 10691 inar1 10777 rankcf 10779 tskuni 10785 grothac 10832 rpnnen 16307 rexpen 16308 aleph1irr 16326 dis1stc 23709 hauspwdom 23711 sibfof 34797 ctbssinf 38111 pibt2 38122 heiborlem3 38524 harinf 43821 saluncl 47091 meadjun 47236 meaiunlelem 47242 omeunle 47290 |
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