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Mirrors > Home > MPE Home > Th. List > ralrnmptw | Structured version Visualization version GIF version |
Description: A restricted quantifier over an image set. Version of ralrnmpt 6866 with a disjoint variable condition, which does not require ax-13 2371. (Contributed by Mario Carneiro, 20-Aug-2015.) (Revised by Gino Giotto, 26-Jan-2024.) |
Ref | Expression |
---|---|
ralrnmptw.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
ralrnmptw.2 | ⊢ (𝑦 = 𝐵 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
ralrnmptw | ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → (∀𝑦 ∈ ran 𝐹𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralrnmptw.1 | . . . . 5 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
2 | 1 | fnmpt 6471 | . . . 4 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
3 | dfsbcq 3681 | . . . . 5 ⊢ (𝑤 = (𝐹‘𝑧) → ([𝑤 / 𝑦]𝜓 ↔ [(𝐹‘𝑧) / 𝑦]𝜓)) | |
4 | 3 | ralrn 6858 | . . . 4 ⊢ (𝐹 Fn 𝐴 → (∀𝑤 ∈ ran 𝐹[𝑤 / 𝑦]𝜓 ↔ ∀𝑧 ∈ 𝐴 [(𝐹‘𝑧) / 𝑦]𝜓)) |
5 | 2, 4 | syl 17 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → (∀𝑤 ∈ ran 𝐹[𝑤 / 𝑦]𝜓 ↔ ∀𝑧 ∈ 𝐴 [(𝐹‘𝑧) / 𝑦]𝜓)) |
6 | nfsbc1v 3699 | . . . 4 ⊢ Ⅎ𝑦[𝑤 / 𝑦]𝜓 | |
7 | nfv 1920 | . . . 4 ⊢ Ⅎ𝑤𝜓 | |
8 | sbceq2a 3691 | . . . 4 ⊢ (𝑤 = 𝑦 → ([𝑤 / 𝑦]𝜓 ↔ 𝜓)) | |
9 | 6, 7, 8 | cbvralw 3339 | . . 3 ⊢ (∀𝑤 ∈ ran 𝐹[𝑤 / 𝑦]𝜓 ↔ ∀𝑦 ∈ ran 𝐹𝜓) |
10 | nfmpt1 5125 | . . . . . . 7 ⊢ Ⅎ𝑥(𝑥 ∈ 𝐴 ↦ 𝐵) | |
11 | 1, 10 | nfcxfr 2897 | . . . . . 6 ⊢ Ⅎ𝑥𝐹 |
12 | nfcv 2899 | . . . . . 6 ⊢ Ⅎ𝑥𝑧 | |
13 | 11, 12 | nffv 6678 | . . . . 5 ⊢ Ⅎ𝑥(𝐹‘𝑧) |
14 | nfv 1920 | . . . . 5 ⊢ Ⅎ𝑥𝜓 | |
15 | 13, 14 | nfsbcw 3701 | . . . 4 ⊢ Ⅎ𝑥[(𝐹‘𝑧) / 𝑦]𝜓 |
16 | nfv 1920 | . . . 4 ⊢ Ⅎ𝑧[(𝐹‘𝑥) / 𝑦]𝜓 | |
17 | fveq2 6668 | . . . . 5 ⊢ (𝑧 = 𝑥 → (𝐹‘𝑧) = (𝐹‘𝑥)) | |
18 | 17 | sbceq1d 3684 | . . . 4 ⊢ (𝑧 = 𝑥 → ([(𝐹‘𝑧) / 𝑦]𝜓 ↔ [(𝐹‘𝑥) / 𝑦]𝜓)) |
19 | 15, 16, 18 | cbvralw 3339 | . . 3 ⊢ (∀𝑧 ∈ 𝐴 [(𝐹‘𝑧) / 𝑦]𝜓 ↔ ∀𝑥 ∈ 𝐴 [(𝐹‘𝑥) / 𝑦]𝜓) |
20 | 5, 9, 19 | 3bitr3g 316 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → (∀𝑦 ∈ ran 𝐹𝜓 ↔ ∀𝑥 ∈ 𝐴 [(𝐹‘𝑥) / 𝑦]𝜓)) |
21 | 1 | fvmpt2 6780 | . . . . . 6 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝐵 ∈ 𝑉) → (𝐹‘𝑥) = 𝐵) |
22 | 21 | sbceq1d 3684 | . . . . 5 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝐵 ∈ 𝑉) → ([(𝐹‘𝑥) / 𝑦]𝜓 ↔ [𝐵 / 𝑦]𝜓)) |
23 | ralrnmptw.2 | . . . . . . 7 ⊢ (𝑦 = 𝐵 → (𝜓 ↔ 𝜒)) | |
24 | 23 | sbcieg 3718 | . . . . . 6 ⊢ (𝐵 ∈ 𝑉 → ([𝐵 / 𝑦]𝜓 ↔ 𝜒)) |
25 | 24 | adantl 485 | . . . . 5 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝐵 ∈ 𝑉) → ([𝐵 / 𝑦]𝜓 ↔ 𝜒)) |
26 | 22, 25 | bitrd 282 | . . . 4 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝐵 ∈ 𝑉) → ([(𝐹‘𝑥) / 𝑦]𝜓 ↔ 𝜒)) |
27 | 26 | ralimiaa 3074 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 ([(𝐹‘𝑥) / 𝑦]𝜓 ↔ 𝜒)) |
28 | ralbi 3082 | . . 3 ⊢ (∀𝑥 ∈ 𝐴 ([(𝐹‘𝑥) / 𝑦]𝜓 ↔ 𝜒) → (∀𝑥 ∈ 𝐴 [(𝐹‘𝑥) / 𝑦]𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) | |
29 | 27, 28 | syl 17 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → (∀𝑥 ∈ 𝐴 [(𝐹‘𝑥) / 𝑦]𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
30 | 20, 29 | bitrd 282 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → (∀𝑦 ∈ ran 𝐹𝜓 ↔ ∀𝑥 ∈ 𝐴 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 = wceq 1542 ∈ wcel 2113 ∀wral 3053 [wsbc 3679 ↦ cmpt 5107 ran crn 5520 Fn wfn 6328 ‘cfv 6333 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1916 ax-6 1974 ax-7 2019 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2161 ax-12 2178 ax-ext 2710 ax-sep 5164 ax-nul 5171 ax-pr 5293 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2540 df-eu 2570 df-clab 2717 df-cleq 2730 df-clel 2811 df-nfc 2881 df-ne 2935 df-ral 3058 df-rex 3059 df-rab 3062 df-v 3399 df-sbc 3680 df-csb 3789 df-dif 3844 df-un 3846 df-in 3848 df-ss 3858 df-nul 4210 df-if 4412 df-sn 4514 df-pr 4516 df-op 4520 df-uni 4794 df-br 5028 df-opab 5090 df-mpt 5108 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6291 df-fun 6335 df-fn 6336 df-fv 6341 |
This theorem is referenced by: rexrnmptw 6865 ac6num 9972 gsumwspan 18120 dfod2 18802 ordtbaslem 21932 ordtrest2lem 21947 cncmp 22136 comppfsc 22276 ptpjopn 22356 ordthmeolem 22545 tsmsfbas 22872 tsmsf1o 22889 prdsxmetlem 23114 prdsbl 23237 metdsf 23593 metdsge 23594 minveclem1 24169 minveclem3b 24173 minveclem6 24179 mbflimsup 24411 xrlimcnp 25698 minvecolem1 28801 minvecolem5 28808 minvecolem6 28809 ordtrest2NEWlem 31436 cvmsss2 32799 fin2so 35376 prdsbnd 35563 rrnequiv 35605 ralrnmpt3 42326 |
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