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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 5909 isorel 5948 oveqrspc2v 6044 fovcld 6125 caovclg 6174 caovcomg 6177 smoel 6465 dcdifsnid 6671 unfiexmid 7109 prfidceq 7119 fiintim 7122 supmoti 7191 supsnti 7203 isotilem 7204 onntri35 7454 onntri45 7458 cauappcvgprlem1 7878 caucvgprlemnkj 7885 caucvgprlemnbj 7886 caucvgprprlemval 7907 ltordlem 8661 frecuzrdgrrn 10669 frec2uzrdg 10670 frecuzrdgrcl 10671 frecuzrdgrclt 10676 seq3caopr3 10752 seq3homo 10788 seqhomog 10791 climcn2 11869 fprodcl2lem 12165 ennnfonelemim 13044 mhmlin 13549 issubg2m 13775 nsgbi 13790 ghmlin 13834 issubrng2 14223 issubrg2 14254 lmodlema 14305 islmodd 14306 rmodislmodlem 14363 rmodislmod 14364 rnglidlmcl 14493 inopn 14726 basis1 14770 basis2 14771 xmeteq0 15082 cncfi 15301 limccnp2lem 15399 logltb 15597 2sqlem8 15851 redcwlpo 16659 redc0 16661 reap0 16662 |
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