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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 8895 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5776 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| Syntax hints: ∃wex 1781 Rel wrel 5636 –1-1→wf1 6495 ≼ cdom 8891 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3431 df-ss 3906 df-opab 5148 df-xp 5637 df-rel 5638 df-dom 8895 |
| This theorem is referenced by: relsdom 8900 brdomg 8905 brdomi 8906 ctex 8910 domssl 8945 domssr 8946 domtr 8954 undom 9003 xpdom2 9010 xpdom1g 9012 domunsncan 9015 sbth 9035 sbthcl 9037 fodomr 9066 pwdom 9067 domssex 9076 mapdom1 9080 mapdom2 9086 domtrfil 9126 sbthfi 9133 0sdom1dom 9156 1sdom2dom 9164 fineqv 9177 infsdomnn 9211 infn0ALT 9213 elharval 9476 harword 9478 domwdom 9489 unxpwdom 9504 infdifsn 9578 infdiffi 9579 ac10ct 9956 djudom2 10106 djuinf 10111 infdju1 10112 pwdjuidm 10114 djulepw 10115 infdjuabs 10127 infunabs 10128 pwdjudom 10137 infpss 10138 infmap2 10139 fictb 10166 infpssALT 10235 fin34 10312 ttukeylem1 10431 fodomb 10448 wdomac 10449 brdom3 10450 iundom2g 10462 iundom 10464 infxpidm 10484 gchdomtri 10552 pwfseq 10587 pwxpndom2 10588 pwxpndom 10589 pwdjundom 10590 gchdjuidm 10591 gchpwdom 10593 gchaclem 10601 reexALT 12934 hashdomi 14342 1stcrestlem 23417 hauspwdom 23466 ufilen 23895 ovoliunnul 25474 ovoliunnfl 37983 voliunnfl 37985 volsupnfl 37986 nnfoctb 45479 rn1st 45702 meadjiun 46894 caragenunicl 46952 |
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