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| Mirrors > Home > ILE Home > Th. List > 11multnc | GIF version | ||
| Description: The product of 11 (as numeral) with a number (no carry). (Contributed by AV, 15-Jun-2021.) |
| Ref | Expression |
|---|---|
| 11multnc.n | ⊢ 𝑁 ∈ ℕ0 |
| Ref | Expression |
|---|---|
| 11multnc | ⊢ (𝑁 · ;11) = ;𝑁𝑁 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 11multnc.n | . . 3 ⊢ 𝑁 ∈ ℕ0 | |
| 2 | 1nn0 9348 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 3 | 1, 2, 2 | decmulnc 9607 | . 2 ⊢ (𝑁 · ;11) = ;(𝑁 · 1)(𝑁 · 1) |
| 4 | 1 | nn0cni 9344 | . . . 4 ⊢ 𝑁 ∈ ℂ |
| 5 | 4 | mulridi 8111 | . . 3 ⊢ (𝑁 · 1) = 𝑁 |
| 6 | 5, 5 | deceq12i 9549 | . 2 ⊢ ;(𝑁 · 1)(𝑁 · 1) = ;𝑁𝑁 |
| 7 | 3, 6 | eqtri 2228 | 1 ⊢ (𝑁 · ;11) = ;𝑁𝑁 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1373 ∈ wcel 2178 (class class class)co 5969 1c1 7963 · cmul 7967 ℕ0cn0 9332 ;cdc 9541 |
| 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 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-setind 4604 ax-cnex 8053 ax-resscn 8054 ax-1cn 8055 ax-1re 8056 ax-icn 8057 ax-addcl 8058 ax-addrcl 8059 ax-mulcl 8060 ax-addcom 8062 ax-mulcom 8063 ax-addass 8064 ax-mulass 8065 ax-distr 8066 ax-i2m1 8067 ax-1rid 8069 ax-0id 8070 ax-rnegex 8071 ax-cnre 8073 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-ral 2491 df-rex 2492 df-reu 2493 df-rab 2495 df-v 2779 df-sbc 3007 df-dif 3177 df-un 3179 df-in 3181 df-ss 3188 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-int 3901 df-br 4061 df-opab 4123 df-id 4359 df-xp 4700 df-rel 4701 df-cnv 4702 df-co 4703 df-dm 4704 df-iota 5252 df-fun 5293 df-fv 5299 df-riota 5924 df-ov 5972 df-oprab 5973 df-mpo 5974 df-sub 8282 df-inn 9074 df-2 9132 df-3 9133 df-4 9134 df-5 9135 df-6 9136 df-7 9137 df-8 9138 df-9 9139 df-n0 9333 df-dec 9542 |
| This theorem is referenced by: (None) |
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