| Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > climinff | Structured version Visualization version GIF version | ||
| Description: A version of climinf 46439 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 1947 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
| 6 | 4, 5 | nfan 1932 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
| 7 | climinff.2 | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
| 8 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑘(𝑗 + 1) | |
| 9 | 7, 8 | nffv 6889 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) |
| 10 | nfcv 2922 | . . . . 5 ⊢ Ⅎ𝑘 ≤ | |
| 11 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
| 12 | 7, 11 | nffv 6889 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
| 13 | 9, 10, 12 | nfbr 5152 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗) |
| 14 | 6, 13 | nfim 1929 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
| 15 | eleq1w 2843 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
| 16 | 15 | anbi2d 642 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
| 17 | fvoveq1 7437 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘(𝑘 + 1)) = (𝐹‘(𝑗 + 1))) | |
| 18 | fveq2 6879 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
| 19 | 17, 18 | breq12d 5116 | . . . 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 2276 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘(𝑗 + 1)) ≤ (𝐹‘𝑗)) |
| 23 | nfcv 2922 | . . . . 5 ⊢ Ⅎ𝑘ℝ | |
| 24 | 5 | nfci 2910 | . . . . . 6 ⊢ Ⅎ𝑘𝑍 |
| 25 | nfcv 2922 | . . . . . . 7 ⊢ Ⅎ𝑘𝑥 | |
| 26 | 25, 10, 12 | nfbr 5152 | . . . . . 6 ⊢ Ⅎ𝑘 𝑥 ≤ (𝐹‘𝑗) |
| 27 | 24, 26 | nfralw 3309 | . . . . 5 ⊢ Ⅎ𝑘∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗) |
| 28 | 23, 27 | nfrexw 3310 | . . . 4 ⊢ Ⅎ𝑘∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗) |
| 29 | 4, 28 | nfim 1929 | . . 3 ⊢ Ⅎ𝑘(𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)) |
| 30 | nfv 1947 | . . . . . . 7 ⊢ Ⅎ𝑗 𝑥 ≤ (𝐹‘𝑘) | |
| 31 | 18 | breq2d 5115 | . . . . . . 7 ⊢ (𝑘 = 𝑗 → (𝑥 ≤ (𝐹‘𝑘) ↔ 𝑥 ≤ (𝐹‘𝑗))) |
| 32 | 30, 26, 31 | cbvralw 3304 | . . . . . 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 3186 | . . . 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 2276 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑗 ∈ 𝑍 𝑥 ≤ (𝐹‘𝑗)) |
| 38 | 1, 2, 3, 22, 37 | climinf 46439 | 1 ⊢ (𝜑 → 𝐹 ⇝ inf(ran 𝐹, ℝ, < )) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 Ⅎwnf 1816 ∈ wcel 2145 Ⅎwnfc 2907 ∀wral 3076 ∃wrex 3086 class class class wbr 5103 ran crn 5656 ⟶wf 6529 ‘cfv 6533 (class class class)co 7414 infcinf 9414 ℝcr 11126 1c1 11128 + caddc 11130 < clt 11270 ≤ cle 11271 ℤcz 12618 ℤ≥cuz 12890 ⇝ cli 15574 |
| 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-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-pre-sup 11205 |
| 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-rmo 3365 df-reu 3366 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-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 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-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 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-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-sup 9415 df-inf 9416 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-div 11899 df-nn 12261 df-2 12330 df-3 12331 df-n0 12532 df-z 12619 df-uz 12891 df-rp 13046 df-fz 13565 df-seq 14069 df-exp 14129 df-cj 15189 df-re 15190 df-im 15191 df-sqrt 15325 df-abs 15326 df-clim 15578 |
| This theorem is used by: (None) |
| Copyright terms: Public domain | W3C validator |