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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 2922 | 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 2202 ∀wral 2511 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-v 2805 |
| This theorem is referenced by: rspc2va 2925 rspc3v 2927 disji2 4085 ontriexmidim 4626 wetriext 4681 f1veqaeq 5920 isorel 5959 oveqrspc2v 6055 fovcld 6136 caovclg 6185 caovcomg 6188 smoel 6509 dcdifsnid 6715 unfiexmid 7153 prfidceq 7163 fiintim 7166 supmoti 7235 supsnti 7247 isotilem 7248 onntri35 7498 onntri45 7502 cauappcvgprlem1 7922 caucvgprlemnkj 7929 caucvgprlemnbj 7930 caucvgprprlemval 7951 ltordlem 8704 frecuzrdgrrn 10716 frec2uzrdg 10717 frecuzrdgrcl 10718 frecuzrdgrclt 10723 seq3caopr3 10799 seq3homo 10835 seqhomog 10838 climcn2 11932 fprodcl2lem 12229 ennnfonelemim 13108 mhmlin 13613 issubg2m 13839 nsgbi 13854 ghmlin 13898 issubrng2 14288 issubrg2 14319 lmodlema 14371 islmodd 14372 rmodislmodlem 14429 rmodislmod 14430 rnglidlmcl 14559 inopn 14797 basis1 14841 basis2 14842 xmeteq0 15153 cncfi 15372 limccnp2lem 15470 logltb 15668 2sqlem8 15925 redcwlpo 16771 redc0 16773 reap0 16774 |
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