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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 12399 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7429 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12417 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12411 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11251 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11312 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2787 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12402 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12486 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7428 | . . 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 |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 + caddc 11196 2c2 12390 3c3 12391 5c5 12393 6c6 12394 |
| 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 2733 ax-1cn 11251 ax-addcl 11253 ax-addass 11258 |
| 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 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6493 df-fv 6545 df-ov 7421 df-2 12398 df-3 12399 df-4 12400 df-5 12401 df-6 12402 |
| This theorem is used by: 3t2e6 12501 163prm 17296 631prm 17298 2503prm 17311 binom4 27171 ex-dvds 31050 ex-gcd 31051 kur14lem8 35957 3p6e9 43303 ex-decpmul 43343 3cubeslem3l 43676 gbegt5 48828 gboge9 48831 gbpart6 48833 gbpart9 48836 gbpart11 48837 zlmodzxzequa 49577 ackval3012 49773 ackval41a 49775 |
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