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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 12897 | . . . . . . . 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 3176 | . . . . 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 3107 | . . . 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 3180 | . 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 2146 ∀wral 3081 ∃wrex 3091 ‘cfv 6540 ℤ≥cuz 12878 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-resscn 11172 ax-pre-lttri 11189 ax-pre-lttrn 11190 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-neg 11459 df-z 12607 df-uz 12879 |
| This theorem is used by: caubnd 15434 caucvgb 15755 cvgcmp 15891 ulmcau 26609 |
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