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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 12332 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7428 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12350 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12344 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11186 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11247 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2788 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12335 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12419 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7427 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2788 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2788 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7417 1c1 11129 + caddc 11131 2c2 12323 3c3 12324 5c5 12326 6c6 12327 |
| 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 2147 ax-9 2155 ax-ext 2734 ax-1cn 11186 ax-addcl 11188 ax-addass 11193 |
| 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 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-iota 6493 df-fv 6545 df-ov 7420 df-2 12331 df-3 12332 df-4 12333 df-5 12334 df-6 12335 |
| This theorem is used by: 3t2e6 12434 163prm 17223 631prm 17225 2503prm 17238 binom4 27095 ex-dvds 30944 ex-gcd 30945 kur14lem8 35800 3p6e9 43147 ex-decpmul 43189 3cubeslem3l 43539 gbegt5 48685 gboge9 48688 gbpart6 48690 gbpart9 48693 gbpart11 48694 zlmodzxzequa 49434 ackval3012 49630 ackval41a 49632 |
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