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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 1577 | . 2 ⊢ Ⅎ𝑥𝜒 | |
| 2 | nfv 1577 | . 2 ⊢ Ⅎ𝑦𝜓 | |
| 3 | rspc2v.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜒)) | |
| 4 | rspc2v.2 | . 2 ⊢ (𝑦 = 𝐵 → (𝜒 ↔ 𝜓)) | |
| 5 | 1, 2, 3, 4 | rspc2 2935 | 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 1398 ∈ wcel 2205 ∀wral 2522 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-v 2817 |
| This theorem is referenced by: rspc2va 2938 rspc3v 2940 disji2 4106 ontriexmidim 4649 wetriext 4704 f1veqaeq 5948 isorel 5987 oveqrspc2v 6085 fovcld 6166 caovclg 6215 caovcomg 6218 smoel 6544 dcdifsnid 6750 unfiexmid 7191 prfidceq 7201 fiintim 7204 supmoti 7297 supsnti 7309 isotilem 7310 onntri35 7560 onntri45 7564 cauappcvgprlem1 7990 caucvgprlemnkj 7997 caucvgprlemnbj 7998 caucvgprprlemval 8019 ltordlem 8773 frecuzrdgrrn 10794 frec2uzrdg 10795 frecuzrdgrcl 10796 frecuzrdgrclt 10801 seq3caopr3 10877 seq3homo 10913 seqhomog 10916 climcn2 12019 fprodcl2lem 12316 ennnfonelemim 13259 mhmlin 13722 issubg2m 13942 nsgbi 13957 ghmlin 14001 issubrng2 14456 issubrg2 14487 lmodlema 14566 islmodd 14567 rmodislmodlem 14624 rmodislmod 14625 rnglidlmcl 14754 inopn 14994 basis1 15038 basis2 15039 xmeteq0 15350 cncfi 15569 limccnp2lem 15667 logltb 15865 2sqlem8 16122 redcwlpo 16966 redc0 16968 reap0 16969 |
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