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| Mirrors > Home > MPE Home > Th. List > tz9.12lem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for tz9.12 9750. (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 9747 | . . 3 ⊢ (𝐹 “ 𝐴) ⊆ On |
| 4 | 2 | funmpt2 6562 | . . . . 5 ⊢ Fun 𝐹 |
| 5 | 1 | funimaex 6611 | . . . . 5 ⊢ (Fun 𝐹 → (𝐹 “ 𝐴) ∈ V) |
| 6 | 4, 5 | ax-mp 5 | . . . 4 ⊢ (𝐹 “ 𝐴) ∈ V |
| 7 | 6 | ssonunii 7766 | . . 3 ⊢ ((𝐹 “ 𝐴) ⊆ On → ∪ (𝐹 “ 𝐴) ∈ On) |
| 8 | 3, 7 | ax-mp 5 | . 2 ⊢ ∪ (𝐹 “ 𝐴) ∈ On |
| 9 | 8 | onsuci 7821 | 1 ⊢ suc ∪ (𝐹 “ 𝐴) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1562 ∈ wcel 2144 {crab 3416 Vcvv 3456 ⊆ wss 3906 ∪ cuni 4867 ∩ cint 4907 ↦ cmpt 5183 “ cima 5652 Oncon0 6348 suc csuc 6350 Fun wfun 6517 ‘cfv 6523 𝑅1cr1 9722 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-pr 5392 ax-un 7720 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3079 df-rex 3089 df-rab 3417 df-v 3458 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-ord 6351 df-on 6352 df-suc 6354 df-fun 6525 |
| This theorem is referenced by: tz9.12lem3 9749 tz9.12 9750 |
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