| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 9808 | . . 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 9818 | . 2 ⊢ ((;10 · 𝐴) + 𝐵) < ((;10 · 𝐴) + 𝐶) |
| 7 | dfdec10 9792 | . 2 ⊢ ;𝐴𝐵 = ((;10 · 𝐴) + 𝐵) | |
| 8 | dfdec10 9792 | . 2 ⊢ ;𝐴𝐶 = ((;10 · 𝐴) + 𝐶) | |
| 9 | 6, 7, 8 | 3brtr4i 4161 | 1 ⊢ ;𝐴𝐵 < ;𝐴𝐶 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 class class class wbr 4131 (class class class)co 6088 0cc0 8186 1c1 8187 + caddc 8189 · cmul 8191 < clt 8367 ℕcn 9314 ℕ0cn0 9575 ;cdc 9789 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8277 ax-resscn 8278 ax-1cn 8279 ax-1re 8280 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-addcom 8286 ax-mulcom 8287 ax-addass 8288 ax-mulass 8289 ax-distr 8290 ax-i2m1 8291 ax-1rid 8293 ax-0id 8294 ax-rnegex 8295 ax-cnre 8297 ax-pre-ltadd 8302 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-pnf 8369 df-mnf 8370 df-ltxr 8372 df-sub 8507 df-inn 9315 df-2 9373 df-3 9374 df-4 9375 df-5 9376 df-6 9377 df-7 9378 df-8 9379 df-9 9380 df-n0 9576 df-dec 9790 |
| This theorem is used by: 23prm 13263 37prm 13265 43prm 13266 83prm 13267 163prm 13269 317prm 13270 1259prm 13277 plendxnocndx 13628 slotsdifdsndx 13639 slotsdifunifndx 13646 imasvalstrd 13679 prdsvalstrd 13680 cnfldstr 15005 log2ublog2 16236 bpos1 16322 |
| Copyright terms: Public domain | W3C validator |