| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 4p2e6 | Structured version Visualization version GIF version | ||
| Description: 4 + 2 = 6. (Contributed by NM, 11-May-2004.) |
| Ref | Expression |
|---|---|
| 4p2e6 | ⊢ (4 + 2) = 6 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-2 12206 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7367 | . . . 4 ⊢ (4 + 2) = (4 + (1 + 1)) |
| 3 | 4cn 12228 | . . . . 5 ⊢ 4 ∈ ℂ | |
| 4 | ax-1cn 11082 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11140 | . . . 4 ⊢ ((4 + 1) + 1) = (4 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2760 | . . 3 ⊢ (4 + 2) = ((4 + 1) + 1) |
| 7 | df-5 12209 | . . . 4 ⊢ 5 = (4 + 1) | |
| 8 | 7 | oveq1i 7366 | . . 3 ⊢ (5 + 1) = ((4 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2760 | . 2 ⊢ (4 + 2) = (5 + 1) |
| 10 | df-6 12210 | . 2 ⊢ 6 = (5 + 1) | |
| 11 | 9, 10 | eqtr4i 2760 | 1 ⊢ (4 + 2) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 + caddc 11027 2c2 12198 4c4 12200 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: 4p3e7 12292 div4p1lem1div2 12394 4t4e16 12704 6gcd4e2 16463 2exp16 17016 163prm 17050 631prm 17052 1259lem4 17059 2503lem2 17063 2503lem3 17064 4001lem1 17066 4001lem2 17067 4001lem4 17069 bposlem9 27257 hgt750lem2 34758 3exp7 42246 3lexlogpow5ineq1 42247 aks4d1p1p5 42268 235t711 42502 ex-decpmul 42503 3cubeslem3r 42871 lhe4.4ex1a 44512 ceil5half3 47528 fmtno4prmfac 47760 fmtno5faclem1 47767 gbowgt5 47950 mogoldbb 47973 |
| Copyright terms: Public domain | W3C validator |