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| Mirrors > Home > MPE Home > Th. List > tz9.12lem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for tz9.12 9703. (Contributed by NM, 22-Sep-2003.) |
| Ref | Expression |
|---|---|
| tz9.12lem.1 | ⊢ 𝐴 ∈ V |
| tz9.12lem.2 | ⊢ 𝐹 = (𝑧 ∈ V ↦ ∩ {𝑣 ∈ On ∣ 𝑧 ∈ (𝑅1‘𝑣)}) |
| Ref | Expression |
|---|---|
| tz9.12lem2 | ⊢ suc ∪ (𝐹 “ 𝐴) ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tz9.12lem.1 | . . . 4 ⊢ 𝐴 ∈ V | |
| 2 | tz9.12lem.2 | . . . 4 ⊢ 𝐹 = (𝑧 ∈ V ↦ ∩ {𝑣 ∈ On ∣ 𝑧 ∈ (𝑅1‘𝑣)}) | |
| 3 | 1, 2 | tz9.12lem1 9700 | . . 3 ⊢ (𝐹 “ 𝐴) ⊆ On |
| 4 | 2 | funmpt2 6529 | . . . . 5 ⊢ Fun 𝐹 |
| 5 | 1 | funimaex 6578 | . . . . 5 ⊢ (Fun 𝐹 → (𝐹 “ 𝐴) ∈ V) |
| 6 | 4, 5 | ax-mp 5 | . . . 4 ⊢ (𝐹 “ 𝐴) ∈ V |
| 7 | 6 | ssonunii 7726 | . . 3 ⊢ ((𝐹 “ 𝐴) ⊆ On → ∪ (𝐹 “ 𝐴) ∈ On) |
| 8 | 3, 7 | ax-mp 5 | . 2 ⊢ ∪ (𝐹 “ 𝐴) ∈ On |
| 9 | 8 | onsuci 7781 | 1 ⊢ suc ∪ (𝐹 “ 𝐴) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 {crab 3390 Vcvv 3430 ⊆ wss 3890 ∪ cuni 4851 ∩ cint 4890 ↦ cmpt 5167 “ cima 5625 Oncon0 6315 suc csuc 6317 Fun wfun 6484 ‘cfv 6490 𝑅1cr1 9675 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-pr 5368 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-ord 6318 df-on 6319 df-suc 6321 df-fun 6492 |
| This theorem is referenced by: tz9.12lem3 9702 tz9.12 9703 |
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