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Mirrors > Home > ILE Home > Th. List > decltc | GIF version |
Description: Comparing two decimal integers (unequal higher places). (Contributed by Mario Carneiro, 18-Feb-2014.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
declt.a | ⊢ 𝐴 ∈ ℕ0 |
declt.b | ⊢ 𝐵 ∈ ℕ0 |
decltc.c | ⊢ 𝐶 ∈ ℕ0 |
decltc.d | ⊢ 𝐷 ∈ ℕ0 |
decltc.s | ⊢ 𝐶 < ;10 |
decltc.l | ⊢ 𝐴 < 𝐵 |
Ref | Expression |
---|---|
decltc | ⊢ ;𝐴𝐶 < ;𝐵𝐷 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 10nn 8492 | . . 3 ⊢ ;10 ∈ ℕ | |
2 | declt.a | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
3 | declt.b | . . 3 ⊢ 𝐵 ∈ ℕ0 | |
4 | decltc.c | . . 3 ⊢ 𝐶 ∈ ℕ0 | |
5 | decltc.d | . . 3 ⊢ 𝐷 ∈ ℕ0 | |
6 | decltc.s | . . 3 ⊢ 𝐶 < ;10 | |
7 | decltc.l | . . 3 ⊢ 𝐴 < 𝐵 | |
8 | 1, 2, 3, 4, 5, 6, 7 | numltc 8502 | . 2 ⊢ ((;10 · 𝐴) + 𝐶) < ((;10 · 𝐵) + 𝐷) |
9 | dfdec10 8480 | . 2 ⊢ ;𝐴𝐶 = ((;10 · 𝐴) + 𝐶) | |
10 | dfdec10 8480 | . 2 ⊢ ;𝐵𝐷 = ((;10 · 𝐵) + 𝐷) | |
11 | 8, 9, 10 | 3brtr4i 3813 | 1 ⊢ ;𝐴𝐶 < ;𝐵𝐷 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1433 class class class wbr 3785 (class class class)co 5532 0cc0 6981 1c1 6982 + caddc 6984 · cmul 6986 < clt 7153 ℕ0cn0 8288 ;cdc 8477 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-cnex 7067 ax-resscn 7068 ax-1cn 7069 ax-1re 7070 ax-icn 7071 ax-addcl 7072 ax-addrcl 7073 ax-mulcl 7074 ax-mulrcl 7075 ax-addcom 7076 ax-mulcom 7077 ax-addass 7078 ax-mulass 7079 ax-distr 7080 ax-i2m1 7081 ax-0lt1 7082 ax-1rid 7083 ax-0id 7084 ax-rnegex 7085 ax-precex 7086 ax-cnre 7087 ax-pre-ltirr 7088 ax-pre-ltwlin 7089 ax-pre-lttrn 7090 ax-pre-ltadd 7092 ax-pre-mulgt0 7093 |
This theorem depends on definitions: df-bi 115 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-nel 2340 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-br 3786 df-opab 3840 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-iota 4887 df-fun 4924 df-fv 4930 df-riota 5488 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-pnf 7155 df-mnf 7156 df-xr 7157 df-ltxr 7158 df-le 7159 df-sub 7281 df-neg 7282 df-inn 8040 df-2 8098 df-3 8099 df-4 8100 df-5 8101 df-6 8102 df-7 8103 df-8 8104 df-9 8105 df-n0 8289 df-z 8352 df-dec 8478 |
This theorem is referenced by: declth 8506 3decltc 8509 |
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