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| Mirrors > Home > MPE Home > Th. List > numlt | Structured version Visualization version GIF version | ||
| Description: Comparing two decimal integers (equal higher places). (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| numlt.1 | ⊢ 𝑇 ∈ ℕ |
| numlt.2 | ⊢ 𝐴 ∈ ℕ0 |
| numlt.3 | ⊢ 𝐵 ∈ ℕ0 |
| numlt.4 | ⊢ 𝐶 ∈ ℕ |
| numlt.5 | ⊢ 𝐵 < 𝐶 |
| Ref | Expression |
|---|---|
| numlt | ⊢ ((𝑇 · 𝐴) + 𝐵) < ((𝑇 · 𝐴) + 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | numlt.5 | . 2 ⊢ 𝐵 < 𝐶 | |
| 2 | numlt.3 | . . . 4 ⊢ 𝐵 ∈ ℕ0 | |
| 3 | 2 | nn0rei 12424 | . . 3 ⊢ 𝐵 ∈ ℝ |
| 4 | numlt.4 | . . . 4 ⊢ 𝐶 ∈ ℕ | |
| 5 | 4 | nnrei 12166 | . . 3 ⊢ 𝐶 ∈ ℝ |
| 6 | numlt.1 | . . . . . 6 ⊢ 𝑇 ∈ ℕ | |
| 7 | 6 | nnnn0i 12421 | . . . . 5 ⊢ 𝑇 ∈ ℕ0 |
| 8 | numlt.2 | . . . . 5 ⊢ 𝐴 ∈ ℕ0 | |
| 9 | 7, 8 | nn0mulcli 12451 | . . . 4 ⊢ (𝑇 · 𝐴) ∈ ℕ0 |
| 10 | 9 | nn0rei 12424 | . . 3 ⊢ (𝑇 · 𝐴) ∈ ℝ |
| 11 | 3, 5, 10 | ltadd2i 11276 | . 2 ⊢ (𝐵 < 𝐶 ↔ ((𝑇 · 𝐴) + 𝐵) < ((𝑇 · 𝐴) + 𝐶)) |
| 12 | 1, 11 | mpbi 230 | 1 ⊢ ((𝑇 · 𝐴) + 𝐵) < ((𝑇 · 𝐴) + 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 class class class wbr 5100 (class class class)co 7368 + caddc 11041 · cmul 11043 < clt 11178 ℕcn 12157 ℕ0cn0 12413 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-ltxr 11183 df-nn 12158 df-n0 12414 |
| This theorem is referenced by: numltc 12645 declt 12647 |
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