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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 12712 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐴) + 𝑇) |
| 6 | 1 | nnrei 12213 | . . . . . . 7 ⊢ 𝑇 ∈ ℝ |
| 7 | 6 | recni 11190 | . . . . . 6 ⊢ 𝑇 ∈ ℂ |
| 8 | 2 | nn0rei 12486 | . . . . . . 7 ⊢ 𝐴 ∈ ℝ |
| 9 | 8 | recni 11190 | . . . . . 6 ⊢ 𝐴 ∈ ℂ |
| 10 | ax-1cn 11125 | . . . . . 6 ⊢ 1 ∈ ℂ | |
| 11 | 7, 9, 10 | adddii 11188 | . . . . 5 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + (𝑇 · 1)) |
| 12 | 7 | mulridi 11180 | . . . . . 6 ⊢ (𝑇 · 1) = 𝑇 |
| 13 | 12 | oveq2i 7402 | . . . . 5 ⊢ ((𝑇 · 𝐴) + (𝑇 · 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 14 | 11, 13 | eqtri 2784 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) = ((𝑇 · 𝐴) + 𝑇) |
| 15 | 5, 14 | breqtrri 5124 | . . 3 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) |
| 16 | numltc.6 | . . . . 5 ⊢ 𝐴 < 𝐵 | |
| 17 | numlt.3 | . . . . . 6 ⊢ 𝐵 ∈ ℕ0 | |
| 18 | nn0ltp1le 12625 | . . . . . 6 ⊢ ((𝐴 ∈ ℕ0 ∧ 𝐵 ∈ ℕ0) → (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵)) | |
| 19 | 2, 17, 18 | mp2an 702 | . . . . 5 ⊢ (𝐴 < 𝐵 ↔ (𝐴 + 1) ≤ 𝐵) |
| 20 | 16, 19 | mpbi 232 | . . . 4 ⊢ (𝐴 + 1) ≤ 𝐵 |
| 21 | 1 | nngt0i 12246 | . . . . 5 ⊢ 0 < 𝑇 |
| 22 | peano2re 11350 | . . . . . . 7 ⊢ (𝐴 ∈ ℝ → (𝐴 + 1) ∈ ℝ) | |
| 23 | 8, 22 | ax-mp 5 | . . . . . 6 ⊢ (𝐴 + 1) ∈ ℝ |
| 24 | 17 | nn0rei 12486 | . . . . . 6 ⊢ 𝐵 ∈ ℝ |
| 25 | 23, 24, 6 | lemul2i 12109 | . . . . 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 232 | . . 3 ⊢ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵) |
| 28 | 6, 8 | remulcli 11192 | . . . . 5 ⊢ (𝑇 · 𝐴) ∈ ℝ |
| 29 | 3 | nn0rei 12486 | . . . . 5 ⊢ 𝐶 ∈ ℝ |
| 30 | 28, 29 | readdcli 11191 | . . . 4 ⊢ ((𝑇 · 𝐴) + 𝐶) ∈ ℝ |
| 31 | 6, 23 | remulcli 11192 | . . . 4 ⊢ (𝑇 · (𝐴 + 1)) ∈ ℝ |
| 32 | 6, 24 | remulcli 11192 | . . . 4 ⊢ (𝑇 · 𝐵) ∈ ℝ |
| 33 | 30, 31, 32 | ltletri 11305 | . . 3 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · (𝐴 + 1)) ∧ (𝑇 · (𝐴 + 1)) ≤ (𝑇 · 𝐵)) → ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵)) |
| 34 | 15, 27, 33 | mp2an 702 | . 2 ⊢ ((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) |
| 35 | numltc.4 | . . 3 ⊢ 𝐷 ∈ ℕ0 | |
| 36 | 32, 35 | nn0addge1i 12523 | . 2 ⊢ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷) |
| 37 | 35 | nn0rei 12486 | . . . 4 ⊢ 𝐷 ∈ ℝ |
| 38 | 32, 37 | readdcli 11191 | . . 3 ⊢ ((𝑇 · 𝐵) + 𝐷) ∈ ℝ |
| 39 | 30, 32, 38 | ltletri 11305 | . 2 ⊢ ((((𝑇 · 𝐴) + 𝐶) < (𝑇 · 𝐵) ∧ (𝑇 · 𝐵) ≤ ((𝑇 · 𝐵) + 𝐷)) → ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷)) |
| 40 | 34, 36, 39 | mp2an 702 | 1 ⊢ ((𝑇 · 𝐴) + 𝐶) < ((𝑇 · 𝐵) + 𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∈ wcel 2141 class class class wbr 5097 (class class class)co 7391 ℝcr 11066 0cc0 11067 1c1 11068 + caddc 11070 · cmul 11072 < clt 11210 ≤ cle 11211 ℕcn 12204 ℕ0cn0 12475 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-2nd 7966 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-n0 12476 df-z 12563 |
| This theorem is referenced by: decltc 12716 numlti 12724 |
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