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| Mirrors > Home > MPE Home > Th. List > Mathboxes > jm2.27dlem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for rmydioph 43010. This theorem is used along with the next three to efficiently infer steps like 7 ∈ (1...;10). (Contributed by Stefan O'Rear, 11-Oct-2014.) |
| Ref | Expression |
|---|---|
| jm2.27dlem2.1 | ⊢ 𝐴 ∈ (1...𝐵) |
| jm2.27dlem2.2 | ⊢ 𝐶 = (𝐵 + 1) |
| jm2.27dlem2.3 | ⊢ 𝐵 ∈ ℕ |
| Ref | Expression |
|---|---|
| jm2.27dlem2 | ⊢ 𝐴 ∈ (1...𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | jm2.27dlem2.1 | . . 3 ⊢ 𝐴 ∈ (1...𝐵) | |
| 2 | elfzelz 13492 | . . 3 ⊢ (𝐴 ∈ (1...𝐵) → 𝐴 ∈ ℤ) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ 𝐴 ∈ ℤ |
| 4 | elfzle1 13495 | . . 3 ⊢ (𝐴 ∈ (1...𝐵) → 1 ≤ 𝐴) | |
| 5 | 1, 4 | ax-mp 5 | . 2 ⊢ 1 ≤ 𝐴 |
| 6 | 3 | zrei 12542 | . . . 4 ⊢ 𝐴 ∈ ℝ |
| 7 | jm2.27dlem2.3 | . . . . 5 ⊢ 𝐵 ∈ ℕ | |
| 8 | 7 | nnrei 12202 | . . . 4 ⊢ 𝐵 ∈ ℝ |
| 9 | elfzle2 13496 | . . . . 5 ⊢ (𝐴 ∈ (1...𝐵) → 𝐴 ≤ 𝐵) | |
| 10 | 1, 9 | ax-mp 5 | . . . 4 ⊢ 𝐴 ≤ 𝐵 |
| 11 | letrp1 12033 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐴 ≤ 𝐵) → 𝐴 ≤ (𝐵 + 1)) | |
| 12 | 6, 8, 10, 11 | mp3an 1463 | . . 3 ⊢ 𝐴 ≤ (𝐵 + 1) |
| 13 | jm2.27dlem2.2 | . . 3 ⊢ 𝐶 = (𝐵 + 1) | |
| 14 | 12, 13 | breqtrri 5137 | . 2 ⊢ 𝐴 ≤ 𝐶 |
| 15 | 1z 12570 | . . 3 ⊢ 1 ∈ ℤ | |
| 16 | nnz 12557 | . . . . 5 ⊢ (𝐵 ∈ ℕ → 𝐵 ∈ ℤ) | |
| 17 | peano2z 12581 | . . . . 5 ⊢ (𝐵 ∈ ℤ → (𝐵 + 1) ∈ ℤ) | |
| 18 | 7, 16, 17 | mp2b 10 | . . . 4 ⊢ (𝐵 + 1) ∈ ℤ |
| 19 | 13, 18 | eqeltri 2825 | . . 3 ⊢ 𝐶 ∈ ℤ |
| 20 | elfz1 13480 | . . 3 ⊢ ((1 ∈ ℤ ∧ 𝐶 ∈ ℤ) → (𝐴 ∈ (1...𝐶) ↔ (𝐴 ∈ ℤ ∧ 1 ≤ 𝐴 ∧ 𝐴 ≤ 𝐶))) | |
| 21 | 15, 19, 20 | mp2an 692 | . 2 ⊢ (𝐴 ∈ (1...𝐶) ↔ (𝐴 ∈ ℤ ∧ 1 ≤ 𝐴 ∧ 𝐴 ≤ 𝐶)) |
| 22 | 3, 5, 14, 21 | mpbir3an 1342 | 1 ⊢ 𝐴 ∈ (1...𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 class class class wbr 5110 (class class class)co 7390 ℝcr 11074 1c1 11076 + caddc 11078 ≤ cle 11216 ℕcn 12193 ℤcz 12536 ...cfz 13475 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3757 df-csb 3866 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-pss 3937 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5111 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5536 df-eprel 5541 df-po 5549 df-so 5550 df-fr 5594 df-we 5596 df-xp 5647 df-rel 5648 df-cnv 5649 df-co 5650 df-dm 5651 df-rn 5652 df-res 5653 df-ima 5654 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6467 df-fun 6516 df-fn 6517 df-f 6518 df-f1 6519 df-fo 6520 df-f1o 6521 df-fv 6522 df-riota 7347 df-ov 7393 df-oprab 7394 df-mpo 7395 df-om 7846 df-1st 7971 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8381 df-er 8674 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11217 df-mnf 11218 df-xr 11219 df-ltxr 11220 df-le 11221 df-sub 11414 df-neg 11415 df-nn 12194 df-n0 12450 df-z 12537 df-uz 12801 df-fz 13476 |
| This theorem is referenced by: rmydioph 43010 expdiophlem2 43018 |
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