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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 12235 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7367 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12253 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11087 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11146 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2765 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12237 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7366 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2765 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12238 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2765 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 (class class class)co 7356 1c1 11030 + caddc 11032 2c2 12227 3c3 12228 4c4 12229 5c5 12230 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2711 ax-1cn 11087 ax-addcl 11089 ax-addass 11094 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2718 df-cleq 2731 df-clel 2814 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-br 5073 df-iota 6441 df-fv 6493 df-ov 7359 df-2 12235 df-3 12236 df-4 12237 df-5 12238 |
| This theorem is referenced by: 3p3e6 12319 fz0to5un2tp 13576 2exp5 17047 2exp16 17052 prmlem1a 17068 5prm 17070 prmlem2 17081 1259lem1 17092 1259lem4 17095 1259prm 17097 4001lem1 17102 4001lem4 17105 birthday 26936 ppiub 27185 bposlem6 27270 bposlem9 27273 2lgsoddprmlem3d 27394 ex-mod 30537 cyc3conja 33238 fib5 34589 hgt750lem2 34836 kur14lem8 35441 problem1 35893 235t711 42782 3cubeslem3l 43135 3cubeslem3r 43136 sin5tlem1 47336 sin5tlem5 47340 sin5t 47341 goldrasin 47345 fmtnorec2 48021 fmtno5lem4 48034 257prm 48039 fmtno4nprmfac193 48052 41prothprmlem2 48096 linevalexample 48886 ackval2012 49182 ackval3012 49183 |
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