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| Mirrors > Home > MPE Home > Th. List > 3p2e5 | Structured version Visualization version GIF version | ||
| Description: 3 + 2 = 5. (Contributed by NM, 11-May-2004.) |
| Ref | Expression |
|---|---|
| 3p2e5 | ⊢ (3 + 2) = 5 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-2 12274 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7402 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12293 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11125 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11186 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2787 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12276 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7401 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2787 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12277 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2787 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1559 (class class class)co 7391 1c1 11068 + caddc 11070 2c2 12266 3c3 12267 4c4 12268 5c5 12269 |
| 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 |
| This theorem is referenced by: 3p3e6 12363 fz0to5un2tp 13630 2exp5 17112 2exp16 17117 prmlem1a 17133 5prm 17135 prmlem2 17147 1259lem1 17158 1259lem4 17161 1259prm 17163 4001lem1 17168 4001lem4 17171 birthday 27007 ppiub 27256 bposlem6 27341 bposlem9 27344 2lgsoddprmlem3d 27465 ex-mod 30608 cyc3conja 33298 fib5 34663 hgt750lem2 34907 kur14lem8 35524 problem1 35976 235t711 42875 3cubeslem3l 43228 3cubeslem3r 43229 sin5tlem1 47428 sin5tlem5 47432 sin5t 47433 goldrasin 47437 fmtnorec2 48113 fmtno5lem4 48126 257prm 48131 fmtno4nprmfac193 48144 41prothprmlem2 48188 linevalexample 48978 ackval2012 49274 ackval3012 49275 |
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