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| Mirrors > Home > ILE Home > Th. List > dec10p | GIF version | ||
| Description: Ten plus an integer. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| dec10p | ⊢ (;10 + 𝐴) = ;1𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dfdec10 9592 | . 2 ⊢ ;1𝐴 = ((;10 · 1) + 𝐴) | |
| 2 | 10nn 9604 | . . . . 5 ⊢ ;10 ∈ ℕ | |
| 3 | 2 | nncni 9131 | . . . 4 ⊢ ;10 ∈ ℂ |
| 4 | 3 | mulridi 8159 | . . 3 ⊢ (;10 · 1) = ;10 |
| 5 | 4 | oveq1i 6017 | . 2 ⊢ ((;10 · 1) + 𝐴) = (;10 + 𝐴) |
| 6 | 1, 5 | eqtr2i 2251 | 1 ⊢ (;10 + 𝐴) = ;1𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 (class class class)co 6007 0cc0 8010 1c1 8011 + caddc 8013 · cmul 8015 ;cdc 9589 |
| 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-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-ext 2211 ax-sep 4202 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-mulcom 8111 ax-addass 8112 ax-mulass 8113 ax-distr 8114 ax-1rid 8117 ax-0id 8118 ax-cnre 8121 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-iota 5278 df-fv 5326 df-ov 6010 df-inn 9122 df-2 9180 df-3 9181 df-4 9182 df-5 9183 df-6 9184 df-7 9185 df-8 9186 df-9 9187 df-dec 9590 |
| This theorem is referenced by: 5t3e15 9689 |
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