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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 9626 | . . 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 9647 | . 2 ⊢ 𝐶 < ((;10 · 𝐴) + 𝐵) |
| 7 | dfdec10 9614 | . 2 ⊢ ;𝐴𝐵 = ((;10 · 𝐴) + 𝐵) | |
| 8 | 6, 7 | breqtrri 4115 | 1 ⊢ 𝐶 < ;𝐴𝐵 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 class class class wbr 4088 (class class class)co 6018 0cc0 8032 1c1 8033 + caddc 8035 · cmul 8037 < clt 8214 ℕcn 9143 ℕ0cn0 9402 ;cdc 9611 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-mulrcl 8131 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-precex 8142 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-ltadd 8148 ax-pre-mulgt0 8149 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-5 9205 df-6 9206 df-7 9207 df-8 9208 df-9 9209 df-n0 9403 df-z 9480 df-dec 9612 |
| This theorem is referenced by: decltdi 9649 basendxnocndx 13298 basendxltdsndx 13304 dsndxnplusgndx 13306 dsndxnmulrndx 13307 slotsdnscsi 13308 dsndxntsetndx 13309 slotsdifdsndx 13310 basendxltunifndx 13314 unifndxntsetndx 13316 slotsdifunifndx 13317 setsmsdsg 15207 basendxltedgfndx 15864 |
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