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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 3472 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 2 | cardeqv 10528 | . 2 ⊢ dom card = V | |
| 3 | 1, 2 | eleqtrrdi 2872 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ dom card) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Vcvv 3451 dom cdm 5651 cardccrd 9997 |
| 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-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-ac2 10522 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-isom 6540 df-riota 7369 df-ov 7415 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-en 8958 df-card 10001 df-ac 10176 |
| This theorem is used by: numth2 10530 ac5b 10537 ac6 10539 zorn2 10565 zorn 10566 zornn0 10567 ttukey 10577 fodomg 10581 wdomac 10587 fnrndomg 10599 iundom 10607 cardval 10611 cardid 10612 carden 10616 carddom 10619 cardsdom 10620 domtri 10621 sdomsdomcard 10625 infxpidm 10627 ondomon 10628 infmap 10642 aleph1irr 16394 lbsext 21421 hauspwdom 23800 filssufil 24211 ufilen 24229 minregex2 44494 |
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