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| Mirrors > Home > ILE Home > Th. List > nn0mulcli | GIF version | ||
| Description: Closure of multiplication of nonnegative integers, inference form. (Contributed by Raph Levien, 10-Dec-2002.) |
| Ref | Expression |
|---|---|
| nn0addcl.1 | ⊢ 𝑀 ∈ ℕ0 |
| nn0addcl.2 | ⊢ 𝑁 ∈ ℕ0 |
| Ref | Expression |
|---|---|
| nn0mulcli | ⊢ (𝑀 · 𝑁) ∈ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0addcl.1 | . 2 ⊢ 𝑀 ∈ ℕ0 | |
| 2 | nn0addcl.2 | . 2 ⊢ 𝑁 ∈ ℕ0 | |
| 3 | nn0mulcl 9413 | . 2 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℕ0) → (𝑀 · 𝑁) ∈ ℕ0) | |
| 4 | 1, 2, 3 | mp2an 426 | 1 ⊢ (𝑀 · 𝑁) ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 (class class class)co 6007 · cmul 8012 ℕ0cn0 9377 |
| 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 8098 ax-resscn 8099 ax-1cn 8100 ax-1re 8101 ax-icn 8102 ax-addcl 8103 ax-addrcl 8104 ax-mulcl 8105 ax-addcom 8107 ax-mulcom 8108 ax-addass 8109 ax-mulass 8110 ax-distr 8111 ax-i2m1 8112 ax-1rid 8114 ax-0id 8115 ax-rnegex 8116 ax-cnre 8118 |
| 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 8327 df-inn 9119 df-n0 9378 |
| This theorem is referenced by: numnncl 9595 num0u 9596 numcl 9598 numsuc 9599 numlt 9610 decle 9619 decrmanc 9642 decsubi 9648 decmul1 9649 decmulnc 9652 decmul10add 9654 expnass 10875 dec2dvds 12942 dec5dvds 12943 gcdi 12951 decsplit 12960 |
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