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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 8885 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5769 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| Syntax hints: ∃wex 1780 Rel wrel 5629 –1-1→wf1 6489 ≼ cdom 8881 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-v 3442 df-ss 3918 df-opab 5161 df-xp 5630 df-rel 5631 df-dom 8885 |
| This theorem is referenced by: relsdom 8890 brdomg 8895 brdomi 8896 ctex 8900 domssl 8935 domssr 8936 domtr 8944 undom 8993 xpdom2 9000 xpdom1g 9002 domunsncan 9005 sbth 9025 sbthcl 9027 fodomr 9056 pwdom 9057 domssex 9066 mapdom1 9070 mapdom2 9076 domtrfil 9116 sbthfi 9123 0sdom1dom 9146 1sdom2dom 9154 fineqv 9167 infsdomnn 9201 infn0ALT 9203 elharval 9466 harword 9468 domwdom 9479 unxpwdom 9494 infdifsn 9566 infdiffi 9567 ac10ct 9944 djudom2 10094 djuinf 10099 infdju1 10100 pwdjuidm 10102 djulepw 10103 infdjuabs 10115 infunabs 10116 pwdjudom 10125 infpss 10126 infmap2 10127 fictb 10154 infpssALT 10223 fin34 10300 ttukeylem1 10419 fodomb 10436 wdomac 10437 brdom3 10438 iundom2g 10450 iundom 10452 infxpidm 10472 gchdomtri 10540 pwfseq 10575 pwxpndom2 10576 pwxpndom 10577 pwdjundom 10578 gchdjuidm 10579 gchpwdom 10581 gchaclem 10589 reexALT 12897 hashdomi 14303 1stcrestlem 23396 hauspwdom 23445 ufilen 23874 ovoliunnul 25464 ovoliunnfl 37859 voliunnfl 37861 volsupnfl 37862 nnfoctb 45289 rn1st 45513 meadjiun 46706 caragenunicl 46764 |
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