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Mirrors > Home > MPE Home > Th. List > tskwe2 | Structured version Visualization version GIF version |
Description: A Tarski class is well-orderable. (Contributed by Mario Carneiro, 20-Jun-2013.) |
Ref | Expression |
---|---|
tskwe2 | ⊢ (𝑇 ∈ Tarski → 𝑇 ∈ dom card) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elpwi 4522 | . . . . 5 ⊢ (𝑦 ∈ 𝒫 𝑇 → 𝑦 ⊆ 𝑇) | |
2 | tskssel 10371 | . . . . . 6 ⊢ ((𝑇 ∈ Tarski ∧ 𝑦 ⊆ 𝑇 ∧ 𝑦 ≺ 𝑇) → 𝑦 ∈ 𝑇) | |
3 | 2 | 3exp 1121 | . . . . 5 ⊢ (𝑇 ∈ Tarski → (𝑦 ⊆ 𝑇 → (𝑦 ≺ 𝑇 → 𝑦 ∈ 𝑇))) |
4 | 1, 3 | syl5 34 | . . . 4 ⊢ (𝑇 ∈ Tarski → (𝑦 ∈ 𝒫 𝑇 → (𝑦 ≺ 𝑇 → 𝑦 ∈ 𝑇))) |
5 | 4 | ralrimiv 3104 | . . 3 ⊢ (𝑇 ∈ Tarski → ∀𝑦 ∈ 𝒫 𝑇(𝑦 ≺ 𝑇 → 𝑦 ∈ 𝑇)) |
6 | rabss 3985 | . . 3 ⊢ ({𝑦 ∈ 𝒫 𝑇 ∣ 𝑦 ≺ 𝑇} ⊆ 𝑇 ↔ ∀𝑦 ∈ 𝒫 𝑇(𝑦 ≺ 𝑇 → 𝑦 ∈ 𝑇)) | |
7 | 5, 6 | sylibr 237 | . 2 ⊢ (𝑇 ∈ Tarski → {𝑦 ∈ 𝒫 𝑇 ∣ 𝑦 ≺ 𝑇} ⊆ 𝑇) |
8 | tskwe 9566 | . 2 ⊢ ((𝑇 ∈ Tarski ∧ {𝑦 ∈ 𝒫 𝑇 ∣ 𝑦 ≺ 𝑇} ⊆ 𝑇) → 𝑇 ∈ dom card) | |
9 | 7, 8 | mpdan 687 | 1 ⊢ (𝑇 ∈ Tarski → 𝑇 ∈ dom card) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2110 ∀wral 3061 {crab 3065 ⊆ wss 3866 𝒫 cpw 4513 class class class wbr 5053 dom cdm 5551 ≺ csdm 8625 cardccrd 9551 Tarskictsk 10362 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-ral 3066 df-rex 3067 df-rab 3070 df-v 3410 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-int 4860 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-ord 6216 df-on 6217 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-card 9555 df-tsk 10363 |
This theorem is referenced by: tskurn 10403 inaprc 10450 |
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