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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 9253.) (Contributed by NM, 22-Feb-2011.) |
Ref | Expression |
---|---|
tskr1om2 | ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → ∪ (𝑅1 “ ω) ⊆ 𝑇) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluni2 4823 | . . 3 ⊢ (𝑦 ∈ ∪ (𝑅1 “ ω) ↔ ∃𝑥 ∈ (𝑅1 “ ω)𝑦 ∈ 𝑥) | |
2 | r1fnon 9383 | . . . . . . . . 9 ⊢ 𝑅1 Fn On | |
3 | fnfun 6479 | . . . . . . . . 9 ⊢ (𝑅1 Fn On → Fun 𝑅1) | |
4 | 2, 3 | ax-mp 5 | . . . . . . . 8 ⊢ Fun 𝑅1 |
5 | fvelima 6778 | . . . . . . . 8 ⊢ ((Fun 𝑅1 ∧ 𝑥 ∈ (𝑅1 “ ω)) → ∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥) | |
6 | 4, 5 | mpan 690 | . . . . . . 7 ⊢ (𝑥 ∈ (𝑅1 “ ω) → ∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥) |
7 | r1tr 9392 | . . . . . . . . 9 ⊢ Tr (𝑅1‘𝑦) | |
8 | treq 5167 | . . . . . . . . 9 ⊢ ((𝑅1‘𝑦) = 𝑥 → (Tr (𝑅1‘𝑦) ↔ Tr 𝑥)) | |
9 | 7, 8 | mpbii 236 | . . . . . . . 8 ⊢ ((𝑅1‘𝑦) = 𝑥 → Tr 𝑥) |
10 | 9 | rexlimivw 3201 | . . . . . . 7 ⊢ (∃𝑦 ∈ ω (𝑅1‘𝑦) = 𝑥 → Tr 𝑥) |
11 | trss 5170 | . . . . . . 7 ⊢ (Tr 𝑥 → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) | |
12 | 6, 10, 11 | 3syl 18 | . . . . . 6 ⊢ (𝑥 ∈ (𝑅1 “ ω) → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) |
13 | 12 | adantl 485 | . . . . 5 ⊢ (((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) ∧ 𝑥 ∈ (𝑅1 “ ω)) → (𝑦 ∈ 𝑥 → 𝑦 ⊆ 𝑥)) |
14 | tskr1om 10381 | . . . . . . . 8 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑅1 “ ω) ⊆ 𝑇) | |
15 | 14 | sseld 3900 | . . . . . . 7 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑥 ∈ (𝑅1 “ ω) → 𝑥 ∈ 𝑇)) |
16 | tskss 10372 | . . . . . . . . 9 ⊢ ((𝑇 ∈ Tarski ∧ 𝑥 ∈ 𝑇 ∧ 𝑦 ⊆ 𝑥) → 𝑦 ∈ 𝑇) | |
17 | 16 | 3exp 1121 | . . . . . . . 8 ⊢ (𝑇 ∈ Tarski → (𝑥 ∈ 𝑇 → (𝑦 ⊆ 𝑥 → 𝑦 ∈ 𝑇))) |
18 | 17 | adantr 484 | . . . . . . 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 410 | . . . . 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 3203 | . . 3 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (∃𝑥 ∈ (𝑅1 “ ω)𝑦 ∈ 𝑥 → 𝑦 ∈ 𝑇)) |
23 | 1, 22 | syl5bi 245 | . 2 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → (𝑦 ∈ ∪ (𝑅1 “ ω) → 𝑦 ∈ 𝑇)) |
24 | 23 | ssrdv 3907 | 1 ⊢ ((𝑇 ∈ Tarski ∧ 𝑇 ≠ ∅) → ∪ (𝑅1 “ ω) ⊆ 𝑇) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1543 ∈ wcel 2110 ≠ wne 2940 ∃wrex 3062 ⊆ wss 3866 ∅c0 4237 ∪ cuni 4819 Tr wtr 5161 “ cima 5554 Oncon0 6213 Fun wfun 6374 Fn wfn 6375 ‘cfv 6380 ωcom 7644 𝑅1cr1 9378 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-rep 5179 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-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 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-iun 4906 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-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-om 7645 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-r1 9380 df-tsk 10363 |
This theorem is referenced by: (None) |
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