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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 12319 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7430 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12337 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12331 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11173 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11234 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2791 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12322 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12406 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7429 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2791 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2791 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7419 1c1 11116 + caddc 11118 2c2 12310 3c3 12311 5c5 12313 6c6 12314 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 ax-1cn 11173 ax-addcl 11175 ax-addass 11180 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-iota 6496 df-fv 6548 df-ov 7422 df-2 12318 df-3 12319 df-4 12320 df-5 12321 df-6 12322 |
| This theorem is used by: 3t2e6 12421 163prm 17207 631prm 17209 2503prm 17222 binom4 27066 ex-dvds 30878 ex-gcd 30879 kur14lem8 35742 ex-decpmul 43125 3cubeslem3l 43475 gbegt5 48584 gboge9 48587 gbpart6 48589 gbpart9 48592 gbpart11 48593 zlmodzxzequa 49333 ackval3012 49529 ackval41a 49531 |
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