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| Mirrors > Home > MPE Home > Th. List > unir1 | Structured version Visualization version GIF version | ||
| Description: The cumulative hierarchy of sets covers the universe. Proposition 4.45 (b) to (a) of [Mendelson] p. 281. (Contributed by NM, 27-Sep-2004.) (Revised by Mario Carneiro, 8-Jun-2013.) |
| Ref | Expression |
|---|---|
| unir1 | ⊢ ∪ (𝑅1 “ On) = V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | setind 9663 | . 2 ⊢ (∀𝑥(𝑥 ⊆ ∪ (𝑅1 “ On) → 𝑥 ∈ ∪ (𝑅1 “ On)) → ∪ (𝑅1 “ On) = V) | |
| 2 | vex 3448 | . . . 4 ⊢ 𝑥 ∈ V | |
| 3 | 2 | r1elss 9735 | . . 3 ⊢ (𝑥 ∈ ∪ (𝑅1 “ On) ↔ 𝑥 ⊆ ∪ (𝑅1 “ On)) |
| 4 | 3 | biimpri 228 | . 2 ⊢ (𝑥 ⊆ ∪ (𝑅1 “ On) → 𝑥 ∈ ∪ (𝑅1 “ On)) |
| 5 | 1, 4 | mpg 1797 | 1 ⊢ ∪ (𝑅1 “ On) = V |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 Vcvv 3444 ⊆ wss 3911 ∪ cuni 4867 “ cima 5634 Oncon0 6320 𝑅1cr1 9691 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-reg 9521 ax-inf2 9570 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-ov 7372 df-om 7823 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-r1 9693 |
| This theorem is referenced by: jech9.3 9743 rankwflem 9744 rankval 9745 rankr1g 9761 rankid 9762 ssrankr1 9764 rankel 9768 rankval3 9769 rankpw 9772 rankss 9778 ranksn 9783 rankuni2 9784 rankun 9785 rankpr 9786 rankop 9787 r1rankid 9788 rankeq0 9790 rankr1b 9793 dfac12a 10078 hsmex2 10362 grutsk 10751 grurankcld 44215 |
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