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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 12299 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7421 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12317 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12311 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11153 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11214 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2789 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12302 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12386 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7420 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2789 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2789 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7410 1c1 11096 + caddc 11098 2c2 12290 3c3 12291 5c5 12293 6c6 12294 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-1cn 11153 ax-addcl 11155 ax-addass 11160 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-iota 6492 df-fv 6544 df-ov 7413 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 |
| This theorem is referenced by: 3t2e6 12401 163prm 17180 631prm 17182 2503prm 17195 binom4 27015 ex-dvds 30807 ex-gcd 30808 kur14lem8 35705 ex-decpmul 43067 3cubeslem3l 43417 gbegt5 48526 gboge9 48529 gbpart6 48531 gbpart9 48534 gbpart11 48535 zlmodzxzequa 49276 ackval3012 49472 ackval41a 49474 |
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