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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 1576 | . 2 ⊢ Ⅎ𝑥𝜒 | |
| 2 | nfv 1576 | . 2 ⊢ Ⅎ𝑦𝜓 | |
| 3 | rspc2v.1 | . 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜒)) | |
| 4 | rspc2v.2 | . 2 ⊢ (𝑦 = 𝐵 → (𝜒 ↔ 𝜓)) | |
| 5 | 1, 2, 3, 4 | rspc2 2921 | 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 1397 ∈ wcel 2202 ∀wral 2510 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-v 2804 |
| This theorem is referenced by: rspc2va 2924 rspc3v 2926 disji2 4080 ontriexmidim 4620 wetriext 4675 f1veqaeq 5910 isorel 5949 oveqrspc2v 6045 fovcld 6126 caovclg 6175 caovcomg 6178 smoel 6466 dcdifsnid 6672 unfiexmid 7110 prfidceq 7120 fiintim 7123 supmoti 7192 supsnti 7204 isotilem 7205 onntri35 7455 onntri45 7459 cauappcvgprlem1 7879 caucvgprlemnkj 7886 caucvgprlemnbj 7887 caucvgprprlemval 7908 ltordlem 8662 frecuzrdgrrn 10671 frec2uzrdg 10672 frecuzrdgrcl 10673 frecuzrdgrclt 10678 seq3caopr3 10754 seq3homo 10790 seqhomog 10793 climcn2 11887 fprodcl2lem 12184 ennnfonelemim 13063 mhmlin 13568 issubg2m 13794 nsgbi 13809 ghmlin 13853 issubrng2 14243 issubrg2 14274 lmodlema 14325 islmodd 14326 rmodislmodlem 14383 rmodislmod 14384 rnglidlmcl 14513 inopn 14746 basis1 14790 basis2 14791 xmeteq0 15102 cncfi 15321 limccnp2lem 15419 logltb 15617 2sqlem8 15871 redcwlpo 16711 redc0 16713 reap0 16714 |
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