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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 1581 | . 2 ⊢ Ⅎ𝑥𝜒 | |
| 2 | nfv 1581 | . 2 ⊢ Ⅎ𝑦𝜓 | |
| 3 | rspc2v.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜒)) | |
| 4 | rspc2v.2 | . 2 ⊢ (𝑦 = 𝐵 → (𝜒 ↔ 𝜓)) | |
| 5 | 1, 2, 3, 4 | rspc2 2941 | 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 1402 ∈ wcel 2209 ∀wral 2528 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-v 2823 |
| This theorem is referenced by: rspc2va 2944 rspc3v 2946 disji2 4117 ontriexmidim 4664 wetriext 4719 f1veqaeq 5965 isorel 6004 oveqrspc2v 6102 fovcld 6183 caovclg 6232 caovcomg 6235 smoel 6561 dcdifsnid 6767 unfiexmid 7215 prfidceq 7225 fiintim 7228 supmoti 7323 supsnti 7335 isotilem 7336 onntri35 7586 onntri45 7590 cauappcvgprlem1 8016 caucvgprlemnkj 8023 caucvgprlemnbj 8024 caucvgprprlemval 8045 ltordlem 8800 frecuzrdgrrn 10823 frec2uzrdg 10824 frecuzrdgrcl 10825 frecuzrdgrclt 10830 seq3caopr3 10906 seq3homo 10942 seqhomog 10945 climcn2 12053 fprodcl2lem 12350 ennnfonelemim 13293 mhmlin 13751 issubg2m 13969 nsgbi 13984 ghmlin 14028 issubrng2 14491 issubrg2 14522 lmodlema 14601 islmodd 14602 rmodislmodlem 14659 rmodislmod 14660 rnglidlmcl 14789 inopn 15027 basis1 15071 basis2 15072 xmeteq0 15383 cncfi 15602 limccnp2lem 15700 logltb 15898 2sqlem8 16156 redcwlpo 17010 redc0 17012 reap0 17013 |
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