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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 8897 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5777 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| Syntax hints: ∃wex 1781 Rel wrel 5637 –1-1→wf1 6497 ≼ cdom 8893 |
| 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 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-v 3444 df-ss 3920 df-opab 5163 df-xp 5638 df-rel 5639 df-dom 8897 |
| This theorem is referenced by: relsdom 8902 brdomg 8907 brdomi 8908 ctex 8912 domssl 8947 domssr 8948 domtr 8956 undom 9005 xpdom2 9012 xpdom1g 9014 domunsncan 9017 sbth 9037 sbthcl 9039 fodomr 9068 pwdom 9069 domssex 9078 mapdom1 9082 mapdom2 9088 domtrfil 9128 sbthfi 9135 0sdom1dom 9158 1sdom2dom 9166 fineqv 9179 infsdomnn 9213 infn0ALT 9215 elharval 9478 harword 9480 domwdom 9491 unxpwdom 9506 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 12909 hashdomi 14315 1stcrestlem 23408 hauspwdom 23457 ufilen 23886 ovoliunnul 25476 ovoliunnfl 37907 voliunnfl 37909 volsupnfl 37910 nnfoctb 45402 rn1st 45625 meadjiun 46818 caragenunicl 46876 |
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