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| Mirrors > Home > MPE Home > Th. List > r19.29uz | Structured version Visualization version GIF version | ||
| Description: A version of 19.29 1906 for upper integer quantifiers. (Contributed by Mario Carneiro, 10-Feb-2014.) |
| Ref | Expression |
|---|---|
| rexuz3.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| Ref | Expression |
|---|---|
| r19.29uz | ⊢ ((∀𝑘 ∈ 𝑍 𝜑 ∧ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)𝜓) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜑 ∧ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rexuz3.1 | . . . . . . . . 9 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | 1 | uztrn2 12907 | . . . . . . . 8 ⊢ ((𝑗 ∈ 𝑍 ∧ 𝑘 ∈ (ℤ≥‘𝑗)) → 𝑘 ∈ 𝑍) |
| 3 | 2 | ex 418 | . . . . . . 7 ⊢ (𝑗 ∈ 𝑍 → (𝑘 ∈ (ℤ≥‘𝑗) → 𝑘 ∈ 𝑍)) |
| 4 | pm3.2 475 | . . . . . . . 8 ⊢ (𝜑 → (𝜓 → (𝜑 ∧ 𝜓))) | |
| 5 | 4 | a1i 11 | . . . . . . 7 ⊢ (𝑗 ∈ 𝑍 → (𝜑 → (𝜓 → (𝜑 ∧ 𝜓)))) |
| 6 | 3, 5 | imim12d 82 | . . . . . 6 ⊢ (𝑗 ∈ 𝑍 → ((𝑘 ∈ 𝑍 → 𝜑) → (𝑘 ∈ (ℤ≥‘𝑗) → (𝜓 → (𝜑 ∧ 𝜓))))) |
| 7 | 6 | ralimdv2 3171 | . . . . 5 ⊢ (𝑗 ∈ 𝑍 → (∀𝑘 ∈ 𝑍 𝜑 → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜓 → (𝜑 ∧ 𝜓)))) |
| 8 | 7 | impcom 413 | . . . 4 ⊢ ((∀𝑘 ∈ 𝑍 𝜑 ∧ 𝑗 ∈ 𝑍) → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜓 → (𝜑 ∧ 𝜓))) |
| 9 | ralim 3102 | . . . 4 ⊢ (∀𝑘 ∈ (ℤ≥‘𝑗)(𝜓 → (𝜑 ∧ 𝜓)) → (∀𝑘 ∈ (ℤ≥‘𝑗)𝜓 → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜑 ∧ 𝜓))) | |
| 10 | 8, 9 | syl 18 | . . 3 ⊢ ((∀𝑘 ∈ 𝑍 𝜑 ∧ 𝑗 ∈ 𝑍) → (∀𝑘 ∈ (ℤ≥‘𝑗)𝜓 → ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜑 ∧ 𝜓))) |
| 11 | 10 | reximdva 3175 | . 2 ⊢ (∀𝑘 ∈ 𝑍 𝜑 → (∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)𝜓 → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜑 ∧ 𝜓))) |
| 12 | 11 | imp 412 | 1 ⊢ ((∀𝑘 ∈ 𝑍 𝜑 ∧ ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)𝜓) → ∃𝑗 ∈ 𝑍 ∀𝑘 ∈ (ℤ≥‘𝑗)(𝜑 ∧ 𝜓)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 ∃wrex 3086 ‘cfv 6533 ℤ≥cuz 12888 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-pre-lttri 11199 ax-pre-lttrn 11200 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7417 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-neg 11469 df-z 12617 df-uz 12889 |
| This theorem is used by: caubnd 15447 caucvgb 15768 cvgcmp 15904 ulmcau 26632 |
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