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Mirrors > Home > MPE Home > Th. List > tskr1om2 | Structured version Visualization version GIF version |
Description: A nonempty Tarski class contains the whole finite cumulative hierarchy. (This proof does not use ax-inf 9326.) (Contributed by NM, 22-Feb-2011.) |
Ref | Expression |
---|---|
tskr1om2 | ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → ∪ (𝑅1 “ ω) ⊆ 𝑇) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluni2 4840 | . . 3 ⊢ (𝑦 ∈ ∪ (𝑅1 “ ω) ↔ ∃𝑥 ∈ (𝑅1 “ ω)𝑦 ∈ 𝑥) | |
2 | r1fnon 9456 | . . . . . . . . 9 ⊢ 𝑅1 Fn On | |
3 | fnfun 6517 | . . . . . . . . 9 ⊢ (𝑅1 Fn On → Fun 𝑅1) | |
4 | 2, 3 | ax-mp 5 | . . . . . . . 8 ⊢ Fun 𝑅1 |
5 | fvelima 6817 | . . . . . . . 8 ⊢ ((Fun 𝑅1 ∧ 𝑥 ∈ (𝑅1 “ ω)) → ∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥) | |
6 | 4, 5 | mpan 686 | . . . . . . 7 ⊢ (𝑥 ∈ (𝑅1 “ ω) → ∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥) |
7 | r1tr 9465 | . . . . . . . . 9 ⊢ Tr (𝑅1‘𝑦) | |
8 | treq 5193 | . . . . . . . . 9 ⊢ ((𝑅1‘𝑦) = 𝑥 → (Tr (𝑅1‘𝑦) ↔ Tr 𝑥)) | |
9 | 7, 8 | mpbii 232 | . . . . . . . 8 ⊢ ((𝑅1‘𝑦) = 𝑥 → Tr 𝑥) |
10 | 9 | rexlimivw 3210 | . . . . . . 7 ⊢ (∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥 → Tr 𝑥) |
11 | trss 5196 | . . . . . . 7 ⊢ (Tr 𝑥 → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) | |
12 | 6, 10, 11 | 3syl 18 | . . . . . 6 ⊢ (𝑥 ∈ (𝑅1 “ ω) → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) |
13 | 12 | adantl 481 | . . . . 5 ⊢ (((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) ∧ 𝑥 ∈ (𝑅1 “ ω)) → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) |
14 | tskr1om 10454 | . . . . . . . 8 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑅1 “ ω) ⊆ 𝑇) | |
15 | 14 | sseld 3916 | . . . . . . 7 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑥 ∈ (𝑅1 “ ω) → 𝑥 ∈ 𝑇)) |
16 | tskss 10445 | . . . . . . . . 9 ⊢ ((𝑇 ∈ Tarski ∧ 𝑥 ∈ 𝑇 ∧ 𝑦 ⊆ 𝑥) → 𝑦 ∈ 𝑇) | |
17 | 16 | 3exp 1117 | . . . . . . . 8 ⊢ (𝑇 ∈ Tarski → (𝑥 ∈ 𝑇 → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝑇))) |
18 | 17 | adantr 480 | . . . . . . 7 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑥 ∈ 𝑇 → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝑇))) |
19 | 15, 18 | syld 47 | . . . . . 6 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑥 ∈ (𝑅1 “ ω) → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝑇))) |
20 | 19 | imp 406 | . . . . 5 ⊢ (((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) ∧ 𝑥 ∈ (𝑅1 “ ω)) → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝑇)) |
21 | 13, 20 | syld 47 | . . . 4 ⊢ (((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) ∧ 𝑥 ∈ (𝑅1 “ ω)) → (𝑦 ∈ 𝑥 → 𝑦 ∈ 𝑇)) |
22 | 21 | rexlimdva 3212 | . . 3 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (∃𝑥 ∈ (𝑅1 “ ω)𝑦 ∈ 𝑥 → 𝑦 ∈ 𝑇)) |
23 | 1, 22 | syl5bi 241 | . 2 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑦 ∈ ∪ (𝑅1 “ ω) → 𝑦 ∈ 𝑇)) |
24 | 23 | ssrdv 3923 | 1 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → ∪ (𝑅1 “ ω) ⊆ 𝑇) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ≠ wne 2942 ∃wrex 3064 ⊆ wss 3883 ∅c0 4253 ∪ cuni 4836 Tr wtr 5187 “ cima 5583 Oncon0 6251 Fun wfun 6412 Fn wfn 6413 ‘cfv 6418 ωcom 7687 𝑅1cr1 9451 Tarskictsk 10435 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-r1 9453 df-tsk 10436 |
This theorem is referenced by: (None) |
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