| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > numsuc | GIF version | ||
| Description: The successor of a decimal integer (no carry). (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| numnncl.1 | ⊢ 𝑇 ∈ ℕ0 |
| numnncl.2 | ⊢ 𝐴 ∈ ℕ0 |
| numcl.2 | ⊢ 𝐵 ∈ ℕ0 |
| numsuc.4 | ⊢ (𝐵 + 1) = 𝐶 |
| numsuc.5 | ⊢ 𝑁 = ((𝑇 · 𝐴) + 𝐵) |
| Ref | Expression |
|---|---|
| numsuc | ⊢ (𝑁 + 1) = ((𝑇 · 𝐴) + 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | numsuc.5 | . . 3 ⊢ 𝑁 = ((𝑇 · 𝐴) + 𝐵) | |
| 2 | 1 | oveq1i 6098 | . 2 ⊢ (𝑁 + 1) = (((𝑇 · 𝐴) + 𝐵) + 1) |
| 3 | numnncl.1 | . . . . 5 ⊢ 𝑇 ∈ ℕ0 | |
| 4 | numnncl.2 | . . . . 5 ⊢ 𝐴 ∈ ℕ0 | |
| 5 | 3, 4 | nn0mulcli 9612 | . . . 4 ⊢ (𝑇 · 𝐴) ∈ ℕ0 |
| 6 | 5 | nn0cni 9586 | . . 3 ⊢ (𝑇 · 𝐴) ∈ ℂ |
| 7 | numcl.2 | . . . 4 ⊢ 𝐵 ∈ ℕ0 | |
| 8 | 7 | nn0cni 9586 | . . 3 ⊢ 𝐵 ∈ ℂ |
| 9 | ax-1cn 8278 | . . 3 ⊢ 1 ∈ ℂ | |
| 10 | 6, 8, 9 | addassi 8340 | . 2 ⊢ (((𝑇 · 𝐴) + 𝐵) + 1) = ((𝑇 · 𝐴) + (𝐵 + 1)) |
| 11 | numsuc.4 | . . 3 ⊢ (𝐵 + 1) = 𝐶 | |
| 12 | 11 | oveq2i 6099 | . 2 ⊢ ((𝑇 · 𝐴) + (𝐵 + 1)) = ((𝑇 · 𝐴) + 𝐶) |
| 13 | 2, 10, 12 | 3eqtri 2263 | 1 ⊢ (𝑁 + 1) = ((𝑇 · 𝐴) + 𝐶) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ∈ wcel 2209 (class class class)co 6088 1c1 8186 + caddc 8188 · cmul 8190 ℕ0cn0 9574 |
| 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-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 |
| 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-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-sub 8506 df-inn 9314 df-n0 9575 |
| This theorem is used by: decsuc 9823 numsucc 9832 decbin3 9934 |
| Copyright terms: Public domain | W3C validator |