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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 2229 | . 2 ⊢ ;𝐴𝐵 = ;𝐴𝐵 | |
| 5 | 1, 3 | nn0mulcli 9395 | . 2 ⊢ (𝑁 · 𝐵) ∈ ℕ0 |
| 6 | 0nn0 9372 | . 2 ⊢ 0 ∈ ℕ0 | |
| 7 | 1, 2 | nn0mulcli 9395 | . . . 4 ⊢ (𝑁 · 𝐴) ∈ ℕ0 |
| 8 | 7 | nn0cni 9369 | . . 3 ⊢ (𝑁 · 𝐴) ∈ ℂ |
| 9 | 8 | addridi 8276 | . 2 ⊢ ((𝑁 · 𝐴) + 0) = (𝑁 · 𝐴) |
| 10 | 5 | dec0h 9587 | . 2 ⊢ (𝑁 · 𝐵) = ;0(𝑁 · 𝐵) |
| 11 | 1, 2, 3, 4, 5, 6, 9, 10 | decmul2c 9631 | 1 ⊢ (𝑁 · ;𝐴𝐵) = ;(𝑁 · 𝐴)(𝑁 · 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 ∈ wcel 2200 (class class class)co 5994 0cc0 7987 · cmul 7992 ℕ0cn0 9357 ;cdc 9566 |
| 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 4201 ax-pow 4257 ax-pr 4292 ax-setind 4626 ax-cnex 8078 ax-resscn 8079 ax-1cn 8080 ax-1re 8081 ax-icn 8082 ax-addcl 8083 ax-addrcl 8084 ax-mulcl 8085 ax-addcom 8087 ax-mulcom 8088 ax-addass 8089 ax-mulass 8090 ax-distr 8091 ax-i2m1 8092 ax-1rid 8094 ax-0id 8095 ax-rnegex 8096 ax-cnre 8098 |
| 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 3888 df-int 3923 df-br 4083 df-opab 4145 df-id 4381 df-xp 4722 df-rel 4723 df-cnv 4724 df-co 4725 df-dm 4726 df-iota 5274 df-fun 5316 df-fv 5322 df-riota 5947 df-ov 5997 df-oprab 5998 df-mpo 5999 df-sub 8307 df-inn 9099 df-2 9157 df-3 9158 df-4 9159 df-5 9160 df-6 9161 df-7 9162 df-8 9163 df-9 9164 df-n0 9358 df-dec 9567 |
| This theorem is referenced by: 11multnc 9633 |
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