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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 2932 | 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 2203 ∀wral 2520 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-v 2815 |
| This theorem is referenced by: rspc2va 2935 rspc3v 2937 disji2 4101 ontriexmidim 4644 wetriext 4699 f1veqaeq 5942 isorel 5981 oveqrspc2v 6077 fovcld 6158 caovclg 6207 caovcomg 6210 smoel 6531 dcdifsnid 6737 unfiexmid 7178 prfidceq 7188 fiintim 7191 supmoti 7284 supsnti 7296 isotilem 7297 onntri35 7547 onntri45 7551 cauappcvgprlem1 7974 caucvgprlemnkj 7981 caucvgprlemnbj 7982 caucvgprprlemval 8003 ltordlem 8756 frecuzrdgrrn 10770 frec2uzrdg 10771 frecuzrdgrcl 10772 frecuzrdgrclt 10777 seq3caopr3 10853 seq3homo 10889 seqhomog 10892 climcn2 11994 fprodcl2lem 12291 ennnfonelemim 13175 mhmlin 13680 issubg2m 13906 nsgbi 13921 ghmlin 13965 issubrng2 14355 issubrg2 14386 lmodlema 14440 islmodd 14441 rmodislmodlem 14498 rmodislmod 14499 rnglidlmcl 14628 inopn 14868 basis1 14912 basis2 14913 xmeteq0 15224 cncfi 15443 limccnp2lem 15541 logltb 15739 2sqlem8 15996 redcwlpo 16840 redc0 16842 reap0 16843 |
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