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| 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 6017 | . 2 ⊢ (𝑁 + 1) = (((𝑇 · 𝐴) + 𝐵) + 1) |
| 3 | numnncl.1 | . . . . 5 ⊢ 𝑇 ∈ ℕ0 | |
| 4 | numnncl.2 | . . . . 5 ⊢ 𝐴 ∈ ℕ0 | |
| 5 | 3, 4 | nn0mulcli 9418 | . . . 4 ⊢ (𝑇 · 𝐴) ∈ ℕ0 |
| 6 | 5 | nn0cni 9392 | . . 3 ⊢ (𝑇 · 𝐴) ∈ ℂ |
| 7 | numcl.2 | . . . 4 ⊢ 𝐵 ∈ ℕ0 | |
| 8 | 7 | nn0cni 9392 | . . 3 ⊢ 𝐵 ∈ ℂ |
| 9 | ax-1cn 8103 | . . 3 ⊢ 1 ∈ ℂ | |
| 10 | 6, 8, 9 | addassi 8165 | . 2 ⊢ (((𝑇 · 𝐴) + 𝐵) + 1) = ((𝑇 · 𝐴) + (𝐵 + 1)) |
| 11 | numsuc.4 | . . 3 ⊢ (𝐵 + 1) = 𝐶 | |
| 12 | 11 | oveq2i 6018 | . 2 ⊢ ((𝑇 · 𝐴) + (𝐵 + 1)) = ((𝑇 · 𝐴) + 𝐶) |
| 13 | 2, 10, 12 | 3eqtri 2254 | 1 ⊢ (𝑁 + 1) = ((𝑇 · 𝐴) + 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 ∈ wcel 2200 (class class class)co 6007 1c1 8011 + caddc 8013 · cmul 8015 ℕ0cn0 9380 |
| 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-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-setind 4629 ax-cnex 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-mulcom 8111 ax-addass 8112 ax-mulass 8113 ax-distr 8114 ax-i2m1 8115 ax-1rid 8117 ax-0id 8118 ax-rnegex 8119 ax-cnre 8121 |
| This theorem depends on definitions: df-bi 117 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-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-sub 8330 df-inn 9122 df-n0 9381 |
| This theorem is referenced by: decsuc 9619 numsucc 9628 decbin3 9730 |
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