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| Mirrors > Home > ILE Home > Th. List > declti | GIF version | ||
| Description: Comparing a digit to a decimal integer. (Contributed by Mario Carneiro, 18-Feb-2014.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| declti.a | ⊢ 𝐴 ∈ ℕ |
| declti.b | ⊢ 𝐵 ∈ ℕ0 |
| declti.c | ⊢ 𝐶 ∈ ℕ0 |
| declti.l | ⊢ 𝐶 < ;10 |
| Ref | Expression |
|---|---|
| declti | ⊢ 𝐶 < ;𝐴𝐵 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 10nn 9619 | . . 3 ⊢ ;10 ∈ ℕ | |
| 2 | declti.a | . . 3 ⊢ 𝐴 ∈ ℕ | |
| 3 | declti.b | . . 3 ⊢ 𝐵 ∈ ℕ0 | |
| 4 | declti.c | . . 3 ⊢ 𝐶 ∈ ℕ0 | |
| 5 | declti.l | . . 3 ⊢ 𝐶 < ;10 | |
| 6 | 1, 2, 3, 4, 5 | numlti 9640 | . 2 ⊢ 𝐶 < ((;10 · 𝐴) + 𝐵) |
| 7 | dfdec10 9607 | . 2 ⊢ ;𝐴𝐵 = ((;10 · 𝐴) + 𝐵) | |
| 8 | 6, 7 | breqtrri 4113 | 1 ⊢ 𝐶 < ;𝐴𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 class class class wbr 4086 (class class class)co 6013 0cc0 8025 1c1 8026 + caddc 8028 · cmul 8030 < clt 8207 ℕcn 9136 ℕ0cn0 9395 ;cdc 9604 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-mulrcl 8124 ax-addcom 8125 ax-mulcom 8126 ax-addass 8127 ax-mulass 8128 ax-distr 8129 ax-i2m1 8130 ax-0lt1 8131 ax-1rid 8132 ax-0id 8133 ax-rnegex 8134 ax-precex 8135 ax-cnre 8136 ax-pre-ltirr 8137 ax-pre-ltwlin 8138 ax-pre-lttrn 8139 ax-pre-ltadd 8141 ax-pre-mulgt0 8142 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-iota 5284 df-fun 5326 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-pnf 8209 df-mnf 8210 df-xr 8211 df-ltxr 8212 df-le 8213 df-sub 8345 df-neg 8346 df-inn 9137 df-2 9195 df-3 9196 df-4 9197 df-5 9198 df-6 9199 df-7 9200 df-8 9201 df-9 9202 df-n0 9396 df-z 9473 df-dec 9605 |
| This theorem is referenced by: decltdi 9642 basendxnocndx 13289 basendxltdsndx 13295 dsndxnplusgndx 13297 dsndxnmulrndx 13298 slotsdnscsi 13299 dsndxntsetndx 13300 slotsdifdsndx 13301 basendxltunifndx 13305 unifndxntsetndx 13307 slotsdifunifndx 13308 setsmsdsg 15197 basendxltedgfndx 15854 |
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