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| Mirrors > Home > MPE Home > Th. List > canth2g | Structured version Visualization version GIF version | ||
| Description: Cantor's theorem with the sethood requirement expressed as an antecedent. Theorem 23 of [Suppes] p. 97. (Contributed by NM, 7-Nov-2003.) |
| Ref | Expression |
|---|---|
| canth2g | ⊢ (𝐴 ∈ 𝑉 → 𝐴 ≺ 𝒫 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pweq 4550 | . . 3 ⊢ (𝑥 = 𝐴 → 𝒫 𝑥 = 𝒫 𝐴) | |
| 2 | breq12 5084 | . . 3 ⊢ ((𝑥 = 𝐴 ∧ 𝒫 𝑥 = 𝒫 𝐴) → (𝑥 ≺ 𝒫 𝑥 ↔ 𝐴 ≺ 𝒫 𝐴)) | |
| 3 | 1, 2 | mpdan 693 | . 2 ⊢ (𝑥 = 𝐴 → (𝑥 ≺ 𝒫 𝑥 ↔ 𝐴 ≺ 𝒫 𝐴)) |
| 4 | vex 3436 | . . 3 ⊢ 𝑥 ∈ V | |
| 5 | 4 | canth2 9065 | . 2 ⊢ 𝑥 ≺ 𝒫 𝑥 |
| 6 | 3, 5 | vtoclg 3502 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ≺ 𝒫 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 207 = wceq 1547 ∈ wcel 2119 𝒫 cpw 4536 class class class wbr 5079 ≺ csdm 8889 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4846 df-br 5080 df-opab 5142 df-mpt 5161 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-en 8891 df-dom 8892 df-sdom 8893 |
| This theorem is referenced by: 2pwuninel 9067 2pwne 9068 djulepw 10113 isfin32i 10285 fin34 10310 hsmexlem1 10346 canth3 10481 ondomon 10483 gchdomtri 10550 canthp1lem1 10573 canthp1lem2 10574 pwfseqlem5 10584 gchdjuidm 10589 gchxpidm 10590 gchpwdom 10591 gchaclem 10599 gchhar 10600 tsksdom 10677 fisdomnn 42735 |
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