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| Mirrors > Home > ILE Home > Th. List > numltc | GIF version | ||
| Description: Comparing two decimal integers (unequal higher places). (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| numlt.1 | ⊢ 𝑇 ∈ ℕ |
| numlt.2 | ⊢ 𝐴 ∈ ℕ0 |
| numlt.3 | ⊢ 𝐵 ∈ ℕ0 |
| numltc.3 | ⊢ 𝐶 ∈ ℕ0 |
| numltc.4 | ⊢ 𝐷 ∈ ℕ0 |
| numltc.5 | ⊢ 𝐶 < 𝑇 |
| numltc.6 | ⊢ 𝐴 < 𝐵 |
| Ref | Expression |
|---|---|
| numltc | ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | numlt.1 | . . . . 5 ⊢ 𝑇 ∈ ℕ | |
| 2 | numlt.2 | . . . . 5 ⊢ 𝐴 ∈ ℕ0 | |
| 3 | numltc.3 | . . . . 5 ⊢ 𝐶 ∈ ℕ0 | |
| 4 | numltc.5 | . . . . 5 ⊢ 𝐶 < 𝑇 | |
| 5 | 1, 2, 3, 1, 4 | numlt 9780 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐴) + 𝑇) |
| 6 | 1 | nnrei 9292 | . . . . . . 7 ⊢ 𝑇 ∈ ℝ |
| 7 | 6 | recni 8328 | . . . . . 6 ⊢ 𝑇 ∈ ℂ |
| 8 | 2 | nn0rei 9553 | . . . . . . 7 ⊢ 𝐴 ∈ ℝ |
| 9 | 8 | recni 8328 | . . . . . 6 ⊢ 𝐴 ∈ ℂ |
| 10 | ax-1cn 8262 | . . . . . 6 ⊢ 1 ∈ ℂ | |
| 11 | 7, 9, 10 | adddii 8326 | . . . . 5 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + (𝑇 · 1)) |
| 12 | 7 | mulridi 8318 | . . . . . 6 ⊢ (𝑇 · 1) = 𝑇 |
| 13 | 12 | oveq2i 6086 | . . . . 5 ⊢ ((𝑇 · 𝐴) + (𝑇 · 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 14 | 11, 13 | eqtri 2259 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 15 | 5, 14 | breqtrri 4152 | . . 3 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) |
| 16 | numltc.6 | . . . . 5 ⊢ 𝐴 < 𝐵 | |
| 17 | numlt.3 | . . . . . 6 ⊢ 𝐵 ∈ ℕ0 | |
| 18 | nn0ltp1le 9686 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ ℕ0) → (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵)) | |
| 19 | 2, 17, 18 | mp2an 430 | . . . . 5 ⊢ (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵) |
| 20 | 16, 19 | mpbi 145 | . . . 4 ⊢ (𝐴 + 1) ≤ 𝐵 |
| 21 | 1 | nngt0i 9313 | . . . . 5 ⊢ 0 < 𝑇 |
| 22 | peano2re 8452 | . . . . . . 7 ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) | |
| 23 | 8, 22 | ax-mp 5 | . . . . . 6 ⊢ (𝐴 + 1) ∈ ℝ |
| 24 | 17 | nn0rei 9553 | . . . . . 6 ⊢ 𝐵 ∈ ℝ |
| 25 | 23, 24, 6 | lemul2i 9245 | . . . . 5 ⊢ (0 < 𝑇 → ((𝐴 + 1) ≤ 𝐵 ↔ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵))) |
| 26 | 21, 25 | ax-mp 5 | . . . 4 ⊢ ((𝐴 + 1) ≤ 𝐵 ↔ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵)) |
| 27 | 20, 26 | mpbi 145 | . . 3 ⊢ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵) |
| 28 | 6, 8 | remulcli 8330 | . . . . 5 ⊢ (𝑇 · 𝐴) ∈ ℝ |
| 29 | 3 | nn0rei 9553 | . . . . 5 ⊢ 𝐶 ∈ ℝ |
| 30 | 28, 29 | readdcli 8329 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) ∈ ℝ |
| 31 | 6, 23 | remulcli 8330 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) ∈ ℝ |
| 32 | 6, 24 | remulcli 8330 | . . . 4 ⊢ (𝑇 · 𝐵) ∈ ℝ |
| 33 | 30, 31, 32 | ltletri 8422 | . . 3 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) ∧ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵)) → ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵)) |
| 34 | 15, 27, 33 | mp2an 430 | . 2 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) |
| 35 | numltc.4 | . . 3 ⊢ 𝐷 ∈ ℕ0 | |
| 36 | 32, 35 | nn0addge1i 9590 | . 2 ⊢ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷) |
| 37 | 35 | nn0rei 9553 | . . . 4 ⊢ 𝐷 ∈ ℝ |
| 38 | 32, 37 | readdcli 8329 | . . 3 ⊢ ((𝑇 · 𝐵) + 𝐷) ∈ ℝ |
| 39 | 30, 32, 38 | ltletri 8422 | . 2 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) ∧ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷)) → ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷)) |
| 40 | 34, 36, 39 | mp2an 430 | 1 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷) |
| Colors of variables: wff set class |
| Syntax hints: ↔ wb 105 ∈ wcel 2209 class class class wbr 4125 (class class class)co 6075 ℝcr 8168 0cc0 8169 1c1 8170 + caddc 8172 · cmul 8174 < clt 8350 ≤ cle 8351 ℕcn 9283 ℕ0cn0 9542 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 ax-1cn 8262 ax-1re 8263 ax-icn 8264 ax-addcl 8265 ax-addrcl 8266 ax-mulcl 8267 ax-mulrcl 8268 ax-addcom 8269 ax-mulcom 8270 ax-addass 8271 ax-mulass 8272 ax-distr 8273 ax-i2m1 8274 ax-0lt1 8275 ax-1rid 8276 ax-0id 8277 ax-rnegex 8278 ax-precex 8279 ax-cnre 8280 ax-pre-ltirr 8281 ax-pre-ltwlin 8282 ax-pre-lttrn 8283 ax-pre-ltadd 8285 ax-pre-mulgt0 8286 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-br 4126 df-opab 4188 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-iota 5332 df-fun 5374 df-fv 5380 df-riota 6028 df-ov 6078 df-oprab 6079 df-mpo 6080 df-pnf 8352 df-mnf 8353 df-xr 8354 df-ltxr 8355 df-le 8356 df-sub 8489 df-neg 8490 df-inn 9284 df-n0 9543 df-z 9624 |
| This theorem is referenced by: decltc 9784 numlti 9792 |
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