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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 8958 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5805 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∃wex 1812 Rel wrel 5664 –1-1→wf1 6534 ≼ cdom 8954 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-v 3455 df-ss 3919 df-opab 5172 df-xp 5665 df-rel 5666 df-dom 8958 |
| This theorem is used by: relsdom 8963 brdomg 8968 brdomi 8969 ctex 8973 domssl 9008 domssr 9009 domtr 9017 undom 9067 xpdom2 9074 xpdom1g 9076 domunsncan 9079 sbth 9099 sbthcl 9101 fodomr 9130 pwdom 9131 domssex 9140 mapdom1 9144 mapdom2 9150 domtrfil 9190 sbthfi 9197 0sdom1dom 9220 1sdom2dom 9228 fineqv 9241 infsdomnn 9275 infn0ALT 9277 elharval 9537 harword 9539 domwdom 9550 unxpwdom 9565 infdifsn 9640 infdiffi 9641 ac10ct 10041 djudom2 10190 djuinf 10195 infdju1 10196 pwdjuidm 10198 djulepw 10199 infdjuabs 10211 infunabs 10212 pwdjudom 10221 infpss 10222 infmap2 10223 fictb 10250 infpssALT 10319 fin34 10396 ttukeylem1 10515 fodomb 10533 wdomac 10534 brdom3 10535 iundom2g 10552 iundom 10554 infxpidm 10574 gchdomtri 10642 pwfseq 10677 pwxpndom2 10678 pwxpndom 10679 pwdjundom 10680 gchdjuidm 10681 gchpwdom 10683 gchaclem 10691 reexALT 13038 hashdomi 14448 1stcrestlem 23683 hauspwdom 23733 ufilen 24162 ovoliunnul 25741 karddom 35695 ovoliunnfl 38419 voliunnfl 38421 volsupnfl 38422 nnfoctb 45890 rn1st 46110 meadjiun 47302 caragenunicl 47360 |
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