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| Mirrors > Home > MPE Home > Th. List > lo1bddrp | Structured version Visualization version GIF version | ||
| Description: Refine o1bdd2 15599 to give a strictly positive upper bound. (Contributed by Mario Carneiro, 25-May-2016.) |
| Ref | Expression |
|---|---|
| lo1bdd2.1 | ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
| lo1bdd2.2 | ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| lo1bdd2.3 | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) |
| lo1bdd2.4 | ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) |
| lo1bdd2.5 | ⊢ ((𝜑 ∧ (𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦)) → 𝑀 ∈ ℝ) |
| lo1bdd2.6 | ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ ((𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦) ∧ 𝑥 < 𝑦)) → 𝐵 ≤ 𝑀) |
| Ref | Expression |
|---|---|
| lo1bddrp | ⊢ (𝜑 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lo1bdd2.1 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ ℝ) | |
| 2 | lo1bdd2.2 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ) | |
| 3 | lo1bdd2.3 | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) | |
| 4 | lo1bdd2.4 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) | |
| 5 | lo1bdd2.5 | . . 3 ⊢ ((𝜑 ∧ (𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦)) → 𝑀 ∈ ℝ) | |
| 6 | lo1bdd2.6 | . . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ ((𝑦 ∈ ℝ ∧ 𝐶 ≤ 𝑦) ∧ 𝑥 < 𝑦)) → 𝐵 ≤ 𝑀) | |
| 7 | 1, 2, 3, 4, 5, 6 | lo1bdd2 15582 | . 2 ⊢ (𝜑 → ∃𝑛 ∈ ℝ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛) |
| 8 | simpr 489 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 𝑛 ∈ ℝ) | |
| 9 | 8 | recnd 11243 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 𝑛 ∈ ℂ) |
| 10 | 9 | abscld 15497 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (abs‘𝑛) ∈ ℝ) |
| 11 | 9 | absge0d 15505 | . . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → 0 ≤ (abs‘𝑛)) |
| 12 | 10, 11 | ge0p1rpd 13096 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → ((abs‘𝑛) + 1) ∈ ℝ+) |
| 13 | simplr 780 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ∈ ℝ) | |
| 14 | 10 | adantr 485 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (abs‘𝑛) ∈ ℝ) |
| 15 | peano2re 11389 | . . . . . . . 8 ⊢ ((abs‘𝑛) ∈ ℝ → ((abs‘𝑛) + 1) ∈ ℝ) | |
| 16 | 14, 15 | syl 18 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → ((abs‘𝑛) + 1) ∈ ℝ) |
| 17 | 13 | leabsd 15473 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ≤ (abs‘𝑛)) |
| 18 | 14 | lep1d 12152 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (abs‘𝑛) ≤ ((abs‘𝑛) + 1)) |
| 19 | 13, 14, 16, 17, 18 | letrd 11373 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝑛 ≤ ((abs‘𝑛) + 1)) |
| 20 | 3 | adantlr 727 | . . . . . . 7 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) |
| 21 | letr 11310 | . . . . . . 7 ⊢ ((𝐵 ∈ ℝ ∧ 𝑛 ∈ ℝ ∧ ((abs‘𝑛) + 1) ∈ ℝ) → ((𝐵 ≤ 𝑛 ∧ 𝑛 ≤ ((abs‘𝑛) + 1)) → 𝐵 ≤ ((abs‘𝑛) + 1))) | |
| 22 | 20, 13, 16, 21 | syl3anc 1397 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → ((𝐵 ≤ 𝑛 ∧ 𝑛 ≤ ((abs‘𝑛) + 1)) → 𝐵 ≤ ((abs‘𝑛) + 1))) |
| 23 | 19, 22 | mpan2d 706 | . . . . 5 ⊢ (((𝜑 ∧ 𝑛 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → (𝐵 ≤ 𝑛 → 𝐵 ≤ ((abs‘𝑛) + 1))) |
| 24 | 23 | ralimdva 3176 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∀𝑥 ∈ 𝐴 𝐵 ≤ ((abs‘𝑛) + 1))) |
| 25 | brralrspcev 5170 | . . . 4 ⊢ ((((abs‘𝑛) + 1) ∈ ℝ+ ∧ ∀𝑥 ∈ 𝐴 𝐵 ≤ ((abs‘𝑛) + 1)) → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) | |
| 26 | 12, 24, 25 | syl6an 696 | . . 3 ⊢ ((𝜑 ∧ 𝑛 ∈ ℝ) → (∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚)) |
| 27 | 26 | rexlimdva 3165 | . 2 ⊢ (𝜑 → (∃𝑛 ∈ ℝ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑛 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚)) |
| 28 | 7, 27 | mpd 16 | 1 ⊢ (𝜑 → ∃𝑚 ∈ ℝ+ ∀𝑥 ∈ 𝐴 𝐵 ≤ 𝑚) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∈ wcel 2142 ∀wral 3078 ∃wrex 3088 ⊆ wss 3904 class class class wbr 5108 ↦ cmpt 5191 ‘cfv 6536 (class class class)co 7412 ℝcr 11105 1c1 11107 + caddc 11109 < clt 11249 ≤ cle 11250 ℝ+crp 13022 abscabs 15292 ≤𝑂(1)clo1 15545 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7861 df-2nd 7985 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-er 8692 df-pm 8825 df-en 8942 df-dom 8943 df-sdom 8944 df-sup 9400 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-div 11878 df-nn 12240 df-2 12309 df-3 12310 df-n0 12511 df-z 12598 df-uz 12869 df-rp 13023 df-ico 13384 df-seq 14045 df-exp 14105 df-cj 15157 df-re 15158 df-im 15159 df-sqrt 15293 df-abs 15294 df-lo1 15549 |
| This theorem is used by: o1bddrp 15600 chpo1ubb 27656 pntrlog2bnd 27759 |
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