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| Mirrors > Home > ILE Home > Th. List > rspc2v | GIF version | ||
| Description: 2-variable restricted specialization, using implicit substitution. (Contributed by NM, 13-Sep-1999.) |
| Ref | Expression |
|---|---|
| rspc2v.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜒)) |
| rspc2v.2 | ⊢ (𝑦 = 𝐵 → (𝜒 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| rspc2v | ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷) → (∀𝑥 ∈ 𝐶 ∀𝑦 ∈ 𝐷 𝜑 → 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfv 1574 | . 2 ⊢ Ⅎ𝑥𝜒 | |
| 2 | nfv 1574 | . 2 ⊢ Ⅎ𝑦𝜓 | |
| 3 | rspc2v.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜒)) | |
| 4 | rspc2v.2 | . 2 ⊢ (𝑦 = 𝐵 → (𝜒 ↔ 𝜓)) | |
| 5 | 1, 2, 3, 4 | rspc2 2919 | 1 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷) → (∀𝑥 ∈ 𝐶 ∀𝑦 ∈ 𝐷 𝜑 → 𝜓)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1395 ∈ wcel 2200 ∀wral 2508 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-v 2802 |
| This theorem is referenced by: rspc2va 2922 rspc3v 2924 disji2 4078 ontriexmidim 4618 wetriext 4673 f1veqaeq 5905 isorel 5944 oveqrspc2v 6040 fovcld 6121 caovclg 6170 caovcomg 6173 smoel 6461 dcdifsnid 6667 unfiexmid 7103 prfidceq 7113 fiintim 7116 supmoti 7183 supsnti 7195 isotilem 7196 onntri35 7445 onntri45 7449 cauappcvgprlem1 7869 caucvgprlemnkj 7876 caucvgprlemnbj 7877 caucvgprprlemval 7898 ltordlem 8652 frecuzrdgrrn 10660 frec2uzrdg 10661 frecuzrdgrcl 10662 frecuzrdgrclt 10667 seq3caopr3 10743 seq3homo 10779 seqhomog 10782 climcn2 11860 fprodcl2lem 12156 ennnfonelemim 13035 mhmlin 13540 issubg2m 13766 nsgbi 13781 ghmlin 13825 issubrng2 14214 issubrg2 14245 lmodlema 14296 islmodd 14297 rmodislmodlem 14354 rmodislmod 14355 rnglidlmcl 14484 inopn 14717 basis1 14761 basis2 14762 xmeteq0 15073 cncfi 15292 limccnp2lem 15390 logltb 15588 2sqlem8 15842 redcwlpo 16595 redc0 16597 reap0 16598 |
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