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| Mirrors > Home > MPE Home > Th. List > Mathboxes > climinff | Structured version Visualization version GIF version | ||
| Description: A version of climinf 46214 using bound-variable hypotheses instead of distinct variable conditions. (Contributed by Glauco Siliprandi, 29-Jun-2017.) (Revised by AV, 15-Sep-2020.) |
| Ref | Expression |
|---|---|
| climinff.1 | ⊢ Ⅎ𝑘𝜑 |
| climinff.2 | ⊢ Ⅎ𝑘𝐹 |
| climinff.3 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climinff.4 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climinff.5 | ⊢ (𝜑 → 𝐹:𝑍⟶ℝ) |
| climinff.6 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) |
| climinff.7 | ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘)) |
| Ref | Expression |
|---|---|
| climinff | ⊢ (𝜑 → 𝐹 ⇝ inf(ran 𝐹, ℝ, < )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climinff.3 | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climinff.4 | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | climinff.5 | . 2 ⊢ (𝜑 → 𝐹:𝑍⟶ℝ) | |
| 4 | climinff.1 | . . . . 5 ⊢ Ⅎ𝑘𝜑 | |
| 5 | nfv 1941 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
| 6 | 4, 5 | nfan 1926 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
| 7 | climinff.2 | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
| 8 | nfcv 2931 | . . . . . 6 ⊢ Ⅎ𝑘(𝑗 + 1) | |
| 9 | 7, 8 | nffv 6892 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) |
| 10 | nfcv 2931 | . . . . 5 ⊢ Ⅎ𝑘 ≤ | |
| 11 | nfcv 2931 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
| 12 | 7, 11 | nffv 6892 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
| 13 | 9, 10, 12 | nfbr 5162 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗) |
| 14 | 6, 13 | nfim 1923 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
| 15 | eleq1w 2852 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
| 16 | 15 | anbi2d 641 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
| 17 | fvoveq1 7434 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘(𝑘 + 1)) = (𝐹‘(𝑗 + 1))) | |
| 18 | fveq2 6882 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
| 19 | 17, 18 | breq12d 5126 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘) ↔ (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗))) |
| 20 | 16, 19 | imbi12d 347 | . . 3 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)))) |
| 21 | climinff.6 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘(𝑘 + 1)) ≤ (𝐹‘𝑘)) | |
| 22 | 14, 20, 21 | chvarfv 2282 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
| 23 | nfcv 2931 | . . . . 5 ⊢ Ⅎ𝑘ℝ | |
| 24 | 5 | nfci 2919 | . . . . . 6 ⊢ Ⅎ𝑘𝑍 |
| 25 | nfcv 2931 | . . . . . . 7 ⊢ Ⅎ𝑘𝑥 | |
| 26 | 25, 10, 12 | nfbr 5162 | . . . . . 6 ⊢ Ⅎ𝑘 𝑥 ≤ (𝐹‘𝑗) |
| 27 | 24, 26 | nfralw 3318 | . . . . 5 ⊢ Ⅎ𝑘∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗) |
| 28 | 23, 27 | nfrexw 3319 | . . . 4 ⊢ Ⅎ𝑘∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗) |
| 29 | 4, 28 | nfim 1923 | . . 3 ⊢ Ⅎ𝑘(𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)) |
| 30 | nfv 1941 | . . . . . . 7 ⊢ Ⅎ𝑗 𝑥 ≤ (𝐹‘𝑘) | |
| 31 | 18 | breq2d 5125 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑥 ≤ (𝐹‘𝑘) ↔ 𝑥 ≤ (𝐹‘𝑗))) |
| 32 | 30, 26, 31 | cbvralw 3313 | . . . . . 6 ⊢ (∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘) ↔ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)) |
| 33 | 32 | a1i 11 | . . . . 5 ⊢ (𝑘 = 𝑗 → (∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘) ↔ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗))) |
| 34 | 33 | rexbidv 3195 | . . . 4 ⊢ (𝑘 = 𝑗 → (∃𝑥 ∈ ℝ ∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘) ↔ ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗))) |
| 35 | 34 | imbi2d 343 | . . 3 ⊢ (𝑘 = 𝑗 → ((𝜑 → ∃𝑥 ∈ ℝ ∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘)) ↔ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)))) |
| 36 | climinff.7 | . . 3 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑘 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑘)) | |
| 37 | 29, 35, 36 | chvarfv 2282 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)) |
| 38 | 1, 2, 3, 22, 37 | climinf 46214 | 1 ⊢ (𝜑 → 𝐹 ⇝ inf(ran 𝐹, ℝ, < )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1567 Ⅎwnf 1810 ∈ wcel 2149 Ⅎwnfc 2916 ∀wral 3085 ∃wrex 3095 class class class wbr 5113 ran crn 5663 ⟶wf 6533 ‘cfv 6537 (class class class)co 7411 infcinf 9401 ℝcr 11099 1c1 11101 + caddc 11103 < clt 11243 ≤ cle 11244 ℤcz 12591 ℤ≥cuz 12862 ⇝ cli 15535 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-pre-sup 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-sup 9402 df-inf 9403 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-3 12304 df-n0 12505 df-z 12592 df-uz 12863 df-rp 13017 df-fz 13536 df-seq 14038 df-exp 14098 df-cj 15150 df-re 15151 df-im 15152 df-sqrt 15286 df-abs 15287 df-clim 15539 |
| This theorem is referenced by: (None) |
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