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| Mirrors > Home > MPE Home > Th. List > numth3 | Structured version Visualization version GIF version | ||
| Description: All sets are well-orderable under choice. (Contributed by Stefan O'Rear, 28-Feb-2015.) |
| Ref | Expression |
|---|---|
| numth3 | ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ dom card) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3471 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 2 | cardeqv 10429 | . 2 ⊢ dom card = V | |
| 3 | 1, 2 | eleqtrrdi 2840 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ dom card) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2109 Vcvv 3450 dom cdm 5641 cardccrd 9895 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5237 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-ac2 10423 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-int 4914 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-se 5595 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-isom 6523 df-riota 7347 df-ov 7393 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-en 8922 df-card 9899 df-ac 10076 |
| This theorem is referenced by: numth2 10431 ac5b 10438 ac6 10440 zorn2 10466 zorn 10467 zornn0 10468 ttukey 10478 fodomg 10482 wdomac 10487 iundom 10502 cardval 10506 cardid 10507 carden 10511 carddom 10514 cardsdom 10515 domtri 10516 sdomsdomcard 10520 infxpidm 10522 ondomon 10523 infmap 10536 aleph1irr 16221 lbsext 21080 hauspwdom 23395 filssufil 23806 ufilen 23824 minregex2 43531 |
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