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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 2918 | 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 2801 |
| This theorem is referenced by: rspc2va 2921 rspc3v 2923 disji2 4075 ontriexmidim 4614 wetriext 4669 f1veqaeq 5899 isorel 5938 oveqrspc2v 6034 fovcld 6115 caovclg 6164 caovcomg 6167 smoel 6452 dcdifsnid 6658 unfiexmid 7091 prfidceq 7101 fiintim 7104 supmoti 7171 supsnti 7183 isotilem 7184 onntri35 7433 onntri45 7437 cauappcvgprlem1 7857 caucvgprlemnkj 7864 caucvgprlemnbj 7865 caucvgprprlemval 7886 ltordlem 8640 frecuzrdgrrn 10642 frec2uzrdg 10643 frecuzrdgrcl 10644 frecuzrdgrclt 10649 seq3caopr3 10725 seq3homo 10761 seqhomog 10764 climcn2 11835 fprodcl2lem 12131 ennnfonelemim 13010 mhmlin 13515 issubg2m 13741 nsgbi 13756 ghmlin 13800 issubrng2 14189 issubrg2 14220 lmodlema 14271 islmodd 14272 rmodislmodlem 14329 rmodislmod 14330 rnglidlmcl 14459 inopn 14692 basis1 14736 basis2 14737 xmeteq0 15048 cncfi 15267 limccnp2lem 15365 logltb 15563 2sqlem8 15817 redcwlpo 16483 redc0 16485 reap0 16486 |
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