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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 12207 | . . . 4 ⊢ 3 = (2 + 1) | |
| 2 | 1 | oveq2i 7367 | . . 3 ⊢ (3 + 3) = (3 + (2 + 1)) |
| 3 | 3cn 12224 | . . . 4 ⊢ 3 ∈ ℂ | |
| 4 | 2cn 12218 | . . . 4 ⊢ 2 ∈ ℂ | |
| 5 | ax-1cn 11082 | . . . 4 ⊢ 1 ∈ ℂ | |
| 6 | 3, 4, 5 | addassi 11140 | . . 3 ⊢ ((3 + 2) + 1) = (3 + (2 + 1)) |
| 7 | 2, 6 | eqtr4i 2760 | . 2 ⊢ (3 + 3) = ((3 + 2) + 1) |
| 8 | df-6 12210 | . . 3 ⊢ 6 = (5 + 1) | |
| 9 | 3p2e5 12289 | . . . 4 ⊢ (3 + 2) = 5 | |
| 10 | 9 | oveq1i 7366 | . . 3 ⊢ ((3 + 2) + 1) = (5 + 1) |
| 11 | 8, 10 | eqtr4i 2760 | . 2 ⊢ 6 = ((3 + 2) + 1) |
| 12 | 7, 11 | eqtr4i 2760 | 1 ⊢ (3 + 3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 + caddc 11027 2c2 12198 3c3 12199 5c5 12201 6c6 12202 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 ax-1cn 11082 ax-addcl 11084 ax-addass 11089 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-iota 6446 df-fv 6498 df-ov 7359 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 |
| This theorem is referenced by: 3t2e6 12304 163prm 17050 631prm 17052 2503prm 17065 binom4 26814 ex-dvds 30480 ex-gcd 30481 kur14lem8 35356 ex-decpmul 42503 3cubeslem3l 42870 gbegt5 47949 gboge9 47952 gbpart6 47954 gbpart9 47957 gbpart11 47958 zlmodzxzequa 48684 ackval3012 48880 ackval41a 48882 |
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