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| Mirrors > Home > MPE Home > Th. List > Mathboxes > jm2.27dlem2 | Structured version Visualization version GIF version | ||
| Description: Lemma for rmydioph 42976. 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 13461 | . . 3 ⊢ (𝐴 ∈ (1...𝐵) → 𝐴 ∈ ℤ) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ 𝐴 ∈ ℤ |
| 4 | elfzle1 13464 | . . 3 ⊢ (𝐴 ∈ (1...𝐵) → 1 ≤ 𝐴) | |
| 5 | 1, 4 | ax-mp 5 | . 2 ⊢ 1 ≤ 𝐴 |
| 6 | 3 | zrei 12511 | . . . 4 ⊢ 𝐴 ∈ ℝ |
| 7 | jm2.27dlem2.3 | . . . . 5 ⊢ 𝐵 ∈ ℕ | |
| 8 | 7 | nnrei 12171 | . . . 4 ⊢ 𝐵 ∈ ℝ |
| 9 | elfzle2 13465 | . . . . 5 ⊢ (𝐴 ∈ (1...𝐵) → 𝐴 ≤ 𝐵) | |
| 10 | 1, 9 | ax-mp 5 | . . . 4 ⊢ 𝐴 ≤ 𝐵 |
| 11 | letrp1 12002 | . . . 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 5129 | . 2 ⊢ 𝐴 ≤ 𝐶 |
| 15 | 1z 12539 | . . 3 ⊢ 1 ∈ ℤ | |
| 16 | nnz 12526 | . . . . 5 ⊢ (𝐵 ∈ ℕ → 𝐵 ∈ ℤ) | |
| 17 | peano2z 12550 | . . . . 5 ⊢ (𝐵 ∈ ℤ → (𝐵 + 1) ∈ ℤ) | |
| 18 | 7, 16, 17 | mp2b 10 | . . . 4 ⊢ (𝐵 + 1) ∈ ℤ |
| 19 | 13, 18 | eqeltri 2824 | . . 3 ⊢ 𝐶 ∈ ℤ |
| 20 | elfz1 13449 | . . 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 5102 (class class class)co 7369 ℝcr 11043 1c1 11045 + caddc 11047 ≤ cle 11185 ℕcn 12162 ℤcz 12505 ...cfz 13444 |
| 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 2701 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 |
| 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 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-n0 12419 df-z 12506 df-uz 12770 df-fz 13445 |
| This theorem is referenced by: rmydioph 42976 expdiophlem2 42984 |
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