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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 12275 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7402 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12293 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12287 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11125 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11186 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2787 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12278 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12362 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7401 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2787 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2787 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1559 (class class class)co 7391 1c1 11068 + caddc 11070 2c2 12266 3c3 12267 5c5 12269 6c6 12270 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-1cn 11125 ax-addcl 11127 ax-addass 11132 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3905 df-un 3907 df-ss 3919 df-nul 4284 df-if 4478 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-br 5098 df-iota 6472 df-fv 6524 df-ov 7394 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 |
| This theorem is referenced by: 3t2e6 12377 163prm 17152 631prm 17154 2503prm 17167 binom4 26903 ex-dvds 30615 ex-gcd 30616 kur14lem8 35524 ex-decpmul 42876 3cubeslem3l 43228 gbegt5 48344 gboge9 48347 gbpart6 48349 gbpart9 48352 gbpart11 48353 zlmodzxzequa 49079 ackval3012 49275 ackval41a 49277 |
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