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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 8981 | . 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 8950 ≼ cdom 8951 ≺ csdm 8952 |
| 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 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-dif 3902 df-br 5104 df-sdom 8956 |
| This theorem is used by: domdifsn 9059 sdomnsym 9101 sdomdomtr 9109 domsdomtr 9111 sdomtr 9114 domnsymfi 9195 sdomdomtrfi 9196 domsdomtrfi 9197 sucdom2 9198 php3 9204 1sdom2dom 9225 sucxpdom 9232 findcard3 9254 isfinite2 9269 card2on 9527 fict 9633 fidomtri2 10000 prdom2 10010 infxpenlem 10017 indcardi 10045 alephnbtwn2 10076 alephsucdom 10083 alephdom 10085 dfac13 10146 djulepw 10196 infdjuabs 10208 infdif 10211 infunsdom1 10215 infunsdom 10216 infxp 10217 cfslb2n 10271 sdom2en01 10305 isfin32i 10368 fin34 10393 fin67 10398 hsmexlem1 10429 hsmex3 10437 entri3 10568 alephexp1 10589 gchdomtri 10639 canthp1 10664 pwfseqlem5 10673 gchdjuidm 10678 gchxpidm 10679 gchpwdom 10680 hargch 10683 gchaclem 10688 gchhar 10689 gchac 10691 inawinalem 10699 inar1 10785 rankcf 10787 tskuni 10793 grothac 10840 rpnnen 16316 rexpen 16317 aleph1irr 16335 dis1stc 23726 hauspwdom 23728 sibfof 34852 ctbssinf 38161 pibt2 38172 heiborlem3 38564 harinf 43876 saluncl 47146 meadjun 47291 meaiunlelem 47297 omeunle 47345 |
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