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| Mirrors > Home > MPE Home > Th. List > numltc | Structured version Visualization version 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 12851 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐴) + 𝑇) |
| 6 | 1 | nnrei 12351 | . . . . . . 7 ⊢ 𝑇 ∈ ℝ |
| 7 | 6 | recni 11330 | . . . . . 6 ⊢ 𝑇 ∈ ℂ |
| 8 | 2 | nn0rei 12624 | . . . . . . 7 ⊢ 𝐴 ∈ ℝ |
| 9 | 8 | recni 11330 | . . . . . 6 ⊢ 𝐴 ∈ ℂ |
| 10 | ax-1cn 11265 | . . . . . 6 ⊢ 1 ∈ ℂ | |
| 11 | 7, 9, 10 | adddii 11328 | . . . . 5 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + (𝑇 · 1)) |
| 12 | 7 | mulridi 11320 | . . . . . 6 ⊢ (𝑇 · 1) = 𝑇 |
| 13 | 12 | oveq2i 7435 | . . . . 5 ⊢ ((𝑇 · 𝐴) + (𝑇 · 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 14 | 11, 13 | eqtri 2783 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 15 | 5, 14 | breqtrri 5131 | . . 3 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) |
| 16 | numltc.6 | . . . . 5 ⊢ 𝐴 < 𝐵 | |
| 17 | numlt.3 | . . . . . 6 ⊢ 𝐵 ∈ ℕ0 | |
| 18 | nn0ltp1le 12764 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ ℕ0) → (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵)) | |
| 19 | 2, 17, 18 | mp2an 705 | . . . . 5 ⊢ (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵) |
| 20 | 16, 19 | mpbi 233 | . . . 4 ⊢ (𝐴 + 1) ≤ 𝐵 |
| 21 | 1 | nngt0i 12384 | . . . . 5 ⊢ 0 < 𝑇 |
| 22 | peano2re 11490 | . . . . . . 7 ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) | |
| 23 | 8, 22 | ax-mp 5 | . . . . . 6 ⊢ (𝐴 + 1) ∈ ℝ |
| 24 | 17 | nn0rei 12624 | . . . . . 6 ⊢ 𝐵 ∈ ℝ |
| 25 | 23, 24, 6 | lemul2i 12247 | . . . . 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 233 | . . 3 ⊢ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵) |
| 28 | 6, 8 | remulcli 11332 | . . . . 5 ⊢ (𝑇 · 𝐴) ∈ ℝ |
| 29 | 3 | nn0rei 12624 | . . . . 5 ⊢ 𝐶 ∈ ℝ |
| 30 | 28, 29 | readdcli 11331 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) ∈ ℝ |
| 31 | 6, 23 | remulcli 11332 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) ∈ ℝ |
| 32 | 6, 24 | remulcli 11332 | . . . 4 ⊢ (𝑇 · 𝐵) ∈ ℝ |
| 33 | 30, 31, 32 | ltletri 11445 | . . 3 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) ∧ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵)) → ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵)) |
| 34 | 15, 27, 33 | mp2an 705 | . 2 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) |
| 35 | numltc.4 | . . 3 ⊢ 𝐷 ∈ ℕ0 | |
| 36 | 32, 35 | nn0addge1i 12661 | . 2 ⊢ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷) |
| 37 | 35 | nn0rei 12624 | . . . 4 ⊢ 𝐷 ∈ ℝ |
| 38 | 32, 37 | readdcli 11331 | . . 3 ⊢ ((𝑇 · 𝐵) + 𝐷) ∈ ℝ |
| 39 | 30, 32, 38 | ltletri 11445 | . 2 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) ∧ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷)) → ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷)) |
| 40 | 34, 36, 39 | mp2an 705 | 1 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∈ wcel 2144 class class class wbr 5102 (class class class)co 7424 ℝcr 11206 0cc0 11207 1c1 11208 + caddc 11210 · cmul 11212 < clt 11350 ≤ cle 11351 ℕcn 12342 ℕ0cn0 12613 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-n0 12614 df-z 12701 |
| This theorem is used by: decltc 12855 numlti 12863 |
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