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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 8892 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5770 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| Syntax hints: ∃wex 1786 Rel wrel 5630 –1-1→wf1 6489 ≼ cdom 8888 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-v 3434 df-ss 3907 df-opab 5142 df-xp 5631 df-rel 5632 df-dom 8892 |
| This theorem is referenced by: relsdom 8897 brdomg 8902 brdomi 8903 ctex 8907 domssl 8942 domssr 8943 domtr 8951 undom 9000 xpdom2 9007 xpdom1g 9009 domunsncan 9012 sbth 9032 sbthcl 9034 fodomr 9063 pwdom 9064 domssex 9073 mapdom1 9077 mapdom2 9083 domtrfil 9123 sbthfi 9130 0sdom1dom 9153 1sdom2dom 9161 fineqv 9174 infsdomnn 9208 infn0ALT 9210 elharval 9473 harword 9475 domwdom 9486 unxpwdom 9501 infdifsn 9576 infdiffi 9577 ac10ct 9954 djudom2 10104 djuinf 10109 infdju1 10110 pwdjuidm 10112 djulepw 10113 infdjuabs 10125 infunabs 10126 pwdjudom 10135 infpss 10136 infmap2 10137 fictb 10164 infpssALT 10233 fin34 10310 ttukeylem1 10429 fodomb 10446 wdomac 10447 brdom3 10448 iundom2g 10460 iundom 10462 infxpidm 10482 gchdomtri 10550 pwfseq 10585 pwxpndom2 10586 pwxpndom 10587 pwdjundom 10588 gchdjuidm 10589 gchpwdom 10591 gchaclem 10599 reexALT 12932 hashdomi 14340 1stcrestlem 23442 hauspwdom 23491 ufilen 23920 ovoliunnul 25499 ovoliunnfl 38036 voliunnfl 38038 volsupnfl 38039 nnfoctb 45503 rn1st 45724 meadjiun 46916 caragenunicl 46974 |
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