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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 8959 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5798 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∃wex 1812 Rel wrel 5656 –1-1→wf1 6528 ≼ cdom 8955 |
| 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 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-v 3453 df-ss 3916 df-opab 5168 df-xp 5657 df-rel 5658 df-dom 8959 |
| This theorem is used by: relsdom 8964 brdomg 8969 brdomi 8970 ctex 8974 domssl 9009 domssr 9010 domtr 9018 undom 9068 xpdom2 9075 xpdom1g 9077 domunsncan 9080 sbth 9100 sbthcl 9102 fodomr 9131 pwdom 9132 domssex 9141 mapdom1 9145 mapdom2 9151 domtrfil 9191 sbthfi 9198 0sdom1dom 9221 1sdom2dom 9229 fineqv 9242 infsdomnn 9277 infn0ALT 9279 elharval 9539 harword 9541 domwdom 9552 unxpwdom 9567 infdifsn 9642 infdiffi 9643 ac10ct 10094 djudom2 10243 djuinf 10248 infdju1 10249 pwdjuidm 10251 djulepw 10252 infdjuabs 10264 infunabs 10265 pwdjudom 10274 infpss 10275 infmap2 10276 fictb 10303 infpssALT 10372 fin34 10449 ttukeylem1 10568 fodomb 10586 wdomac 10587 brdom3 10588 iundom2g 10605 iundom 10607 infxpidm 10627 gchdomtri 10695 pwfseq 10730 pwxpndom2 10731 pwxpndom 10732 pwdjundom 10733 gchdjuidm 10734 gchpwdom 10736 gchaclem 10744 reexALT 13093 hashdomi 14504 1stcrestlem 23750 hauspwdom 23800 ufilen 24229 ovoliunnul 25808 karddom 35802 ovoliunnfl 38548 voliunnfl 38550 volsupnfl 38551 nnfoctb 46008 rn1st 46228 meadjiun 47420 caragenunicl 47478 |
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