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| Mirrors > Home > MPE Home > Th. List > r19.29uz | Structured version Visualization version GIF version | ||
| Description: A version of 19.29 1908 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 13024 | . . . . . . . 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 3175 | . . . . 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 3106 | . . . 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 3179 | . 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 2147 ∀wral 3080 ∃wrex 3090 ‘cfv 6566 ℤ≥cuz 13005 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-pre-lttri 11313 ax-pre-lttrn 11314 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-neg 11583 df-z 12734 df-uz 13006 |
| This theorem is used by: caubnd 15570 caucvgb 15891 cvgcmp 16027 ulmcau 26779 |
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