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| Mirrors > Home > ILE Home > Th. List > decmulnc | GIF version | ||
| Description: The product of a numeral with a number (no carry). (Contributed by AV, 15-Jun-2021.) |
| Ref | Expression |
|---|---|
| decmulnc.n | ⊢ 𝑁 ∈ ℕ0 |
| decmulnc.a | ⊢ 𝐴 ∈ ℕ0 |
| decmulnc.b | ⊢ 𝐵 ∈ ℕ0 |
| Ref | Expression |
|---|---|
| decmulnc | ⊢ (𝑁 · ;𝐴𝐵) = ;(𝑁 · 𝐴)(𝑁 · 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | decmulnc.n | . 2 ⊢ 𝑁 ∈ ℕ0 | |
| 2 | decmulnc.a | . 2 ⊢ 𝐴 ∈ ℕ0 | |
| 3 | decmulnc.b | . 2 ⊢ 𝐵 ∈ ℕ0 | |
| 4 | eqid 2231 | . 2 ⊢ ;𝐴𝐵 = ;𝐴𝐵 | |
| 5 | 1, 3 | nn0mulcli 9439 | . 2 ⊢ (𝑁 · 𝐵) ∈ ℕ0 |
| 6 | 0nn0 9416 | . 2 ⊢ 0 ∈ ℕ0 | |
| 7 | 1, 2 | nn0mulcli 9439 | . . . 4 ⊢ (𝑁 · 𝐴) ∈ ℕ0 |
| 8 | 7 | nn0cni 9413 | . . 3 ⊢ (𝑁 · 𝐴) ∈ ℂ |
| 9 | 8 | addridi 8320 | . 2 ⊢ ((𝑁 · 𝐴) + 0) = (𝑁 · 𝐴) |
| 10 | 5 | dec0h 9631 | . 2 ⊢ (𝑁 · 𝐵) = ;0(𝑁 · 𝐵) |
| 11 | 1, 2, 3, 4, 5, 6, 9, 10 | decmul2c 9675 | 1 ⊢ (𝑁 · ;𝐴𝐵) = ;(𝑁 · 𝐴)(𝑁 · 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2202 (class class class)co 6017 0cc0 8031 · cmul 8036 ℕ0cn0 9401 ;cdc 9610 |
| 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-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| This theorem depends on definitions: df-bi 117 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-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 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-sub 8351 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-5 9204 df-6 9205 df-7 9206 df-8 9207 df-9 9208 df-n0 9402 df-dec 9611 |
| This theorem is referenced by: 11multnc 9677 |
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