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| Mirrors > Home > MPE Home > Th. List > ralrab | Structured version Visualization version GIF version | ||
| Description: Universal quantification over a restricted class abstraction. (Contributed by Jeff Madsen, 10-Jun-2010.) |
| Ref | Expression |
|---|---|
| ralab.1 | ⊢ (𝑦 = 𝑥 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| ralrab | ⊢ (∀𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑}𝜒 ↔ ∀𝑥 ∈ 𝐴 (𝜓 → 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ralab.1 | . . . . 5 ⊢ (𝑦 = 𝑥 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3656 | . . . 4 ⊢ (𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑} ↔ (𝑥 ∈ 𝐴 ∧ 𝜓)) |
| 3 | 2 | imbi1i 349 | . . 3 ⊢ ((𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑} → 𝜒) ↔ ((𝑥 ∈ 𝐴 ∧ 𝜓) → 𝜒)) |
| 4 | impexp 450 | . . 3 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝜓) → 𝜒) ↔ (𝑥 ∈ 𝐴 → (𝜓 → 𝜒))) | |
| 5 | 3, 4 | bitri 275 | . 2 ⊢ ((𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑} → 𝜒) ↔ (𝑥 ∈ 𝐴 → (𝜓 → 𝜒))) |
| 6 | 5 | ralbii2 3071 | 1 ⊢ (∀𝑥 ∈ {𝑦 ∈ 𝐴 ∣ 𝜑}𝜒 ↔ ∀𝑥 ∈ 𝐴 (𝜓 → 𝜒)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∈ wcel 2109 ∀wral 3044 {crab 3402 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1543 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ral 3045 df-rab 3403 df-v 3446 |
| This theorem is referenced by: frminex 5610 wereu2 5628 frpomin 6301 weniso 7311 zmin 12879 prmreclem1 16863 lublecllem 18295 mgmhmeql 18619 mhmeql 18729 ghmeql 19147 pgpfac1lem5 19987 lmhmeql 20938 islindf4 21723 1stcfb 23308 fbssfi 23700 filssufilg 23774 txflf 23869 ptcmplem3 23917 symgtgp 23969 tgpconncompeqg 23975 cnllycmp 24831 ovolgelb 25357 dyadmax 25475 lhop1 25895 radcnvlt1 26303 noextenddif 27556 conway 27687 madebdaylemlrcut 27786 onscutlt 28141 onsiso 28145 bdayon 28149 bdayn0p1 28234 poimirlem4 37591 poimirlem32 37619 ismblfin 37628 igenval2 38033 glbconN 39343 glbconNOLD 39344 nadd2rabtr 43346 isubgruhgr 47841 intubeu 48945 unilbeu 48946 |
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