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Mirrors > Home > ILE Home > Th. List > declt | GIF version |
Description: Comparing two decimal integers (equal higher places). (Contributed by Mario Carneiro, 17-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
declt.a | ⊢ 𝐴 ∈ ℕ0 |
declt.b | ⊢ 𝐵 ∈ ℕ0 |
declt.c | ⊢ 𝐶 ∈ ℕ |
declt.l | ⊢ 𝐵 < 𝐶 |
Ref | Expression |
---|---|
declt | ⊢ ;𝐴𝐵 < ;𝐴𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 10nn 9293 | . . 3 ⊢ ;10 ∈ ℕ | |
2 | declt.a | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
3 | declt.b | . . 3 ⊢ 𝐵 ∈ ℕ0 | |
4 | declt.c | . . 3 ⊢ 𝐶 ∈ ℕ | |
5 | declt.l | . . 3 ⊢ 𝐵 < 𝐶 | |
6 | 1, 2, 3, 4, 5 | numlt 9302 | . 2 ⊢ ((;10 · 𝐴) + 𝐵) < ((;10 · 𝐴) + 𝐶) |
7 | dfdec10 9281 | . 2 ⊢ ;𝐴𝐵 = ((;10 · 𝐴) + 𝐵) | |
8 | dfdec10 9281 | . 2 ⊢ ;𝐴𝐶 = ((;10 · 𝐴) + 𝐶) | |
9 | 6, 7, 8 | 3brtr4i 3994 | 1 ⊢ ;𝐴𝐵 < ;𝐴𝐶 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2128 class class class wbr 3965 (class class class)co 5818 0cc0 7715 1c1 7716 + caddc 7718 · cmul 7720 < clt 7895 ℕcn 8816 ℕ0cn0 9073 ;cdc 9278 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4134 ax-pr 4168 ax-un 4392 ax-setind 4494 ax-cnex 7806 ax-resscn 7807 ax-1cn 7808 ax-1re 7809 ax-icn 7810 ax-addcl 7811 ax-addrcl 7812 ax-mulcl 7813 ax-addcom 7815 ax-mulcom 7816 ax-addass 7817 ax-mulass 7818 ax-distr 7819 ax-i2m1 7820 ax-1rid 7822 ax-0id 7823 ax-rnegex 7824 ax-cnre 7826 ax-pre-ltadd 7831 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-br 3966 df-opab 4026 df-id 4252 df-xp 4589 df-rel 4590 df-cnv 4591 df-co 4592 df-dm 4593 df-iota 5132 df-fun 5169 df-fv 5175 df-riota 5774 df-ov 5821 df-oprab 5822 df-mpo 5823 df-pnf 7897 df-mnf 7898 df-ltxr 7900 df-sub 8031 df-inn 8817 df-2 8875 df-3 8876 df-4 8877 df-5 8878 df-6 8879 df-7 8880 df-8 8881 df-9 8882 df-n0 9074 df-dec 9279 |
This theorem is referenced by: (None) |
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