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| Mirrors > Home > ILE Home > Th. List > 5t3e15 | GIF version | ||
| Description: 5 times 3 equals 15. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 5t3e15 | ⊢ (5 · 3) = ;15 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5nn0 9583 | . 2 ⊢ 5 ∈ ℕ0 | |
| 2 | 2nn0 9580 | . 2 ⊢ 2 ∈ ℕ0 | |
| 3 | df-3 9364 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 5t2e10 9876 | . 2 ⊢ (5 · 2) = ;10 | |
| 5 | dec10p 9819 | . 2 ⊢ (;10 + 5) = ;15 | |
| 6 | 1, 2, 3, 4, 5 | 4t3lem 9873 | 1 ⊢ (5 · 3) = ;15 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 (class class class)co 6085 0cc0 8179 1c1 8180 · cmul 8184 2c2 9355 3c3 9356 5c5 9358 ;cdc 9777 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-sep 4249 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 df-inn 9305 df-2 9363 df-3 9364 df-4 9365 df-5 9366 df-6 9367 df-7 9368 df-8 9369 df-9 9370 df-n0 9564 df-dec 9778 |
| This theorem is used by: 5t4e20 9878 log2ublog2 16086 |
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