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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 12236 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7367 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12253 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12247 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11087 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11146 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2765 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12239 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12318 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7366 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2765 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2765 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 (class class class)co 7356 1c1 11030 + caddc 11032 2c2 12227 3c3 12228 5c5 12230 6c6 12231 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-1cn 11087 ax-addcl 11089 ax-addass 11094 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 |
| This theorem is referenced by: 3t2e6 12333 163prm 17086 631prm 17088 2503prm 17101 binom4 26832 ex-dvds 30544 ex-gcd 30545 kur14lem8 35441 ex-decpmul 42783 3cubeslem3l 43135 gbegt5 48252 gboge9 48255 gbpart6 48257 gbpart9 48260 gbpart11 48261 zlmodzxzequa 48987 ackval3012 49183 ackval41a 49185 |
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