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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 8975 | . 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 8971 |
| 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 8975 |
| This theorem is used by: relsdom 8980 brdomg 8985 brdomi 8986 ctex 8990 domssl 9025 domssr 9026 domtr 9034 undom 9084 xpdom2 9091 xpdom1g 9093 domunsncan 9096 sbth 9116 sbthcl 9118 fodomr 9147 pwdom 9148 domssex 9157 mapdom1 9161 mapdom2 9167 domtrfil 9207 sbthfi 9214 0sdom1dom 9237 1sdom2dom 9245 fineqv 9258 infsdomnn 9293 infn0ALT 9295 elharval 9555 harword 9557 domwdom 9568 unxpwdom 9583 infdifsn 9658 infdiffi 9659 ac10ct 10113 djudom2 10262 djuinf 10267 infdju1 10268 pwdjuidm 10270 djulepw 10271 infdjuabs 10283 infunabs 10284 pwdjudom 10293 infpss 10294 infmap2 10295 fictb 10322 infpssALT 10391 fin34 10468 ttukeylem1 10587 fodomb 10605 wdomac 10606 brdom3 10607 iundom2g 10624 iundom 10626 infxpidm 10646 gchdomtri 10714 pwfseq 10749 pwxpndom2 10750 pwxpndom 10751 pwdjundom 10752 gchdjuidm 10753 gchpwdom 10755 gchaclem 10763 reexALT 13112 hashdomi 14524 1stcrestlem 23770 hauspwdom 23820 ufilen 24249 ovoliunnul 25828 weexenwe 35798 karddom 35871 ovoliunnfl 38623 voliunnfl 38625 volsupnfl 38626 nnfoctb 46107 rn1st 46327 meadjiun 47518 caragenunicl 47576 |
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