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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 7371 | . . . 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 2763 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12237 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7370 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2763 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12238 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2763 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7360 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 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-1cn 11087 ax-addcl 11089 ax-addass 11094 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6448 df-fv 6500 df-ov 7363 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 26931 ppiub 27181 bposlem6 27266 bposlem9 27269 2lgsoddprmlem3d 27390 ex-mod 30534 cyc3conja 33233 fib5 34565 hgt750lem2 34812 kur14lem8 35411 problem1 35863 235t711 42751 3cubeslem3l 43132 3cubeslem3r 43133 sin5tlem1 47337 sin5tlem5 47341 sin5t 47342 goldrasin 47344 fmtnorec2 48018 fmtno5lem4 48031 257prm 48036 fmtno4nprmfac193 48049 41prothprmlem2 48093 linevalexample 48883 ackval2012 49179 ackval3012 49180 |
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