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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 8978 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5797 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∃wex 1811 Rel wrel 5655 –1-1→wf1 6535 ≼ cdom 8974 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3896 df-opab 5167 df-xp 5656 df-rel 5657 df-dom 8978 |
| This theorem is used by: relsdom 8983 brdomg 8988 brdomi 8989 ctex 8993 domssl 9028 domssr 9029 domtr 9037 undom 9087 xpdom2 9094 xpdom1g 9096 domunsncan 9099 sbth 9119 sbthcl 9121 fodomr 9150 pwdom 9151 domssex 9160 mapdom1 9164 mapdom2 9170 domtrfil 9210 sbthfi 9217 0sdom1dom 9240 1sdom2dom 9248 fineqv 9261 infsdomnn 9296 infn0ALT 9298 elharval 9558 harword 9560 domwdom 9571 unxpwdom 9586 infdifsn 9661 infdiffi 9662 ac10ct 10116 djudom2 10265 djuinf 10270 infdju1 10271 pwdjuidm 10273 djulepw 10274 infdjuabs 10286 infunabs 10287 pwdjudom 10296 infpss 10297 infmap2 10298 fictb 10325 infpssALT 10394 fin34 10471 ttukeylem1 10590 fodomb 10608 wdomac 10609 brdom3 10610 iundom2g 10627 iundom 10629 infxpidm 10649 gchdomtri 10717 pwfseq 10752 pwxpndom2 10753 pwxpndom 10754 pwdjundom 10755 gchdjuidm 10756 gchpwdom 10758 gchaclem 10766 reexALT 13115 hashdomi 14527 1stcrestlem 23775 hauspwdom 23825 ufilen 24254 ovoliunnul 25833 weexenwe 35812 karddom 35885 ovoliunnfl 38673 voliunnfl 38675 volsupnfl 38676 nnfoctb 46158 rn1st 46378 meadjiun 47569 caragenunicl 47627 |
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