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| Mirrors > Home > MPE Home > Th. List > reldom | Structured version Visualization version GIF version | ||
| Description: Dominance is a relation. (Contributed by NM, 28-Mar-1998.) |
| Ref | Expression |
|---|---|
| reldom | ⊢ Rel ≼ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-dom 9006 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥⟶1-1𝑦} | |
| 2 | 1 | relopabi 5806 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∃wex 1812 Rel wrel 5661 ⟶1-1wf1 6558 ≼ cdom 9002 |
| 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-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4839 df-opab 5172 df-xp 5662 df-rel 5663 df-dom 9006 |
| This theorem is used by: relsdom 9011 brdomg 9016 brdomi 9017 ctex 9021 domssl 9056 domssr 9057 domtr 9065 undom 9115 xpdom2 9122 xpdom1g 9124 domunsncan 9127 sbth 9147 sbthcl 9149 fodomr 9178 pwdom 9179 domssex 9188 mapdom1 9192 mapdom2 9198 domtrfil 9238 sbthfi 9245 0sdom1dom 9268 1sdom2dom 9276 fineqv 9289 infsdomnn 9324 infn0ALT 9326 elharval 9585 harword 9587 domwdom 9598 unxpwdom 9613 infdifsn 9688 infdiffi 9689 ac10ct 10143 djudom2 10292 djuinf 10297 infdju1 10298 pwdjuidm 10300 djulepw 10301 infdjuabs 10313 infunabs 10314 pwdjudom 10323 infpss 10324 infmap2 10325 fictb 10352 infpssALT 10421 fin34 10498 ttukeylem1 10617 fodomb 10635 wdomac 10636 brdom3 10637 iundom2g 10654 iundom 10656 infxpidm 10676 gchdomtri 10744 pwfseq 10779 pwxpndom2 10780 pwxpndom 10781 pwdjundom 10782 gchdjuidm 10783 gchpwdom 10785 gchaclem 10793 reexALT 13142 hashdomi 14554 1stcrestlem 23803 hauspwdom 23853 ufilen 24282 ovoliunnul 25861 weexenwe 35861 karddom 35942 ovoliunnfl 38785 voliunnfl 38787 volsupnfl 38788 nnfoctb 46281 rn1st 46500 meadjiun 47691 caragenunicl 47749 |
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