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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 12300 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7419 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12318 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12312 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11154 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11215 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2795 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12303 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12387 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7418 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2795 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2795 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7408 1c1 11097 + caddc 11099 2c2 12291 3c3 12292 5c5 12294 6c6 12295 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-1cn 11154 ax-addcl 11156 ax-addass 11161 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-iota 6490 df-fv 6542 df-ov 7411 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 |
| This theorem is referenced by: 3t2e6 12402 163prm 17181 631prm 17183 2503prm 17196 binom4 26977 ex-dvds 30744 ex-gcd 30745 kur14lem8 35600 ex-decpmul 42952 3cubeslem3l 43304 gbegt5 48410 gboge9 48413 gbpart6 48415 gbpart9 48418 gbpart11 48419 zlmodzxzequa 49156 ackval3012 49352 ackval41a 49354 |
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