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| Mirrors > Home > MPE Home > Th. List > Mathboxes > orbitclmpt | Structured version Visualization version GIF version | ||
| Description: Version of orbitcl 45666 using maps-to notation. (Contributed by Eric Schmidt, 6-Nov-2025.) |
| Ref | Expression |
|---|---|
| orbitclmpt.1 | ⊢ Ⅎ𝑥𝐵 |
| orbitclmpt.2 | ⊢ Ⅎ𝑥𝐷 |
| orbitclmpt.3 | ⊢ 𝑍 = (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω) |
| orbitclmpt.4 | ⊢ (𝑥 = 𝐵 → 𝐶 = 𝐷) |
| Ref | Expression |
|---|---|
| orbitclmpt | ⊢ ((𝐵 ∈ 𝑍 ∧ 𝐷 ∈ 𝑉) → 𝐷 ∈ 𝑍) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3476 | . . 3 ⊢ (𝐵 ∈ 𝑍 → 𝐵 ∈ V) | |
| 2 | orbitclmpt.1 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
| 3 | orbitclmpt.2 | . . . 4 ⊢ Ⅎ𝑥𝐷 | |
| 4 | orbitclmpt.4 | . . . 4 ⊢ (𝑥 = 𝐵 → 𝐶 = 𝐷) | |
| 5 | eqid 2763 | . . . 4 ⊢ (𝑥 ∈ V ↦ 𝐶) = (𝑥 ∈ V ↦ 𝐶) | |
| 6 | 2, 3, 4, 5 | fvmptf 7011 | . . 3 ⊢ ((𝐵 ∈ V ∧ 𝐷 ∈ 𝑉) → ((𝑥 ∈ V ↦ 𝐶)‘𝐵) = 𝐷) |
| 7 | 1, 6 | sylan 591 | . 2 ⊢ ((𝐵 ∈ 𝑍 ∧ 𝐷 ∈ 𝑉) → ((𝑥 ∈ V ↦ 𝐶)‘𝐵) = 𝐷) |
| 8 | orbitcl 45666 | . . . 4 ⊢ (𝐵 ∈ (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω) → ((𝑥 ∈ V ↦ 𝐶)‘𝐵) ∈ (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω)) | |
| 9 | orbitclmpt.3 | . . . . 5 ⊢ 𝑍 = (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω) | |
| 10 | 9 | eleq2i 2855 | . . . 4 ⊢ (𝐵 ∈ 𝑍 ↔ 𝐵 ∈ (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω)) |
| 11 | 9 | eleq2i 2855 | . . . 4 ⊢ (((𝑥 ∈ V ↦ 𝐶)‘𝐵) ∈ 𝑍 ↔ ((𝑥 ∈ V ↦ 𝐶)‘𝐵) ∈ (rec((𝑥 ∈ V ↦ 𝐶), 𝐴) “ ω)) |
| 12 | 8, 10, 11 | 3imtr4i 295 | . . 3 ⊢ (𝐵 ∈ 𝑍 → ((𝑥 ∈ V ↦ 𝐶)‘𝐵) ∈ 𝑍) |
| 13 | 12 | adantr 485 | . 2 ⊢ ((𝐵 ∈ 𝑍 ∧ 𝐷 ∈ 𝑉) → ((𝑥 ∈ V ↦ 𝐶)‘𝐵) ∈ 𝑍) |
| 14 | 7, 13 | eqeltrrd 2864 | 1 ⊢ ((𝐵 ∈ 𝑍 ∧ 𝐷 ∈ 𝑉) → 𝐷 ∈ 𝑍) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 Ⅎwnfc 2910 Vcvv 3455 ↦ cmpt 5192 “ cima 5664 ‘cfv 6536 ωcom 7858 reccrdg 8392 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 ax-un 7732 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 |
| This theorem is referenced by: permaxinf2lem 45721 |
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