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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 8954 | . 2 ⊢ ≼ = {〈𝑥, 𝑦〉 ∣ ∃𝑓 𝑓:𝑥–1-1→𝑦} | |
| 2 | 1 | relopabiv 5812 | 1 ⊢ Rel ≼ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∃wex 1812 Rel wrel 5671 –1-1→wf1 6540 ≼ cdom 8950 |
| 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 2148 ax-9 2156 ax-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-v 3460 df-ss 3925 df-opab 5179 df-xp 5672 df-rel 5673 df-dom 8954 |
| This theorem is used by: relsdom 8959 brdomg 8964 brdomi 8965 ctex 8969 domssl 9004 domssr 9005 domtr 9013 undom 9063 xpdom2 9070 xpdom1g 9072 domunsncan 9075 sbth 9095 sbthcl 9097 fodomr 9126 pwdom 9127 domssex 9136 mapdom1 9140 mapdom2 9146 domtrfil 9186 sbthfi 9193 0sdom1dom 9216 1sdom2dom 9224 fineqv 9237 infsdomnn 9271 infn0ALT 9273 elharval 9533 harword 9535 domwdom 9546 unxpwdom 9561 infdifsn 9636 infdiffi 9637 ac10ct 10037 djudom2 10186 djuinf 10191 infdju1 10192 pwdjuidm 10194 djulepw 10195 infdjuabs 10207 infunabs 10208 pwdjudom 10217 infpss 10218 infmap2 10219 fictb 10246 infpssALT 10315 fin34 10392 ttukeylem1 10511 fodomb 10528 wdomac 10529 brdom3 10530 iundom2g 10542 iundom 10544 infxpidm 10564 gchdomtri 10632 pwfseq 10667 pwxpndom2 10668 pwxpndom 10669 pwdjundom 10670 gchdjuidm 10671 gchpwdom 10673 gchaclem 10681 reexALT 13026 hashdomi 14436 1stcrestlem 23646 hauspwdom 23695 ufilen 24124 ovoliunnul 25703 karddom 35598 ovoliunnfl 38354 voliunnfl 38356 volsupnfl 38357 nnfoctb 45809 rn1st 46029 meadjiun 47221 caragenunicl 47279 |
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