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| Mirrors > Home > MPE Home > Th. List > 3p3e6 | Structured version Visualization version GIF version | ||
| Description: 3 + 3 = 6. (Contributed by NM, 11-May-2004.) |
| Ref | Expression |
|---|---|
| 3p3e6 | ⊢ (3 + 3) = 6 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3 12411 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7433 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12429 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12423 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11263 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11324 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2786 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12414 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12498 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7432 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2786 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2786 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7422 1c1 11206 + caddc 11208 2c2 12402 3c3 12403 5c5 12405 6c6 12406 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-1cn 11263 ax-addcl 11265 ax-addass 11270 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3897 df-dif 4046 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6496 df-fv 6549 df-ov 7425 df-2 12410 df-3 12411 df-4 12412 df-5 12413 df-6 12414 |
| This theorem is used by: 3t2e6 12513 163prm 17310 631prm 17312 2503prm 17325 binom4 27185 ex-dvds 31064 ex-gcd 31065 kur14lem8 36066 3p6e9 43430 ex-decpmul 43470 3cubeslem3l 43803 gbegt5 48966 gboge9 48969 gbpart6 48971 gbpart9 48974 gbpart11 48975 zlmodzxzequa 49715 ackval3012 49911 ackval41a 49913 |
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