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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 12244 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7378 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12262 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11096 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11155 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2762 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12246 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7377 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2762 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12247 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2762 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7367 1c1 11039 + caddc 11041 2c2 12236 3c3 12237 4c4 12238 5c5 12239 |
| 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 2708 ax-1cn 11096 ax-addcl 11098 ax-addass 11103 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-iota 6454 df-fv 6506 df-ov 7370 df-2 12244 df-3 12245 df-4 12246 df-5 12247 |
| This theorem is referenced by: 3p3e6 12328 fz0to5un2tp 13585 2exp5 17056 2exp16 17061 prmlem1a 17077 5prm 17079 prmlem2 17090 1259lem1 17101 1259lem4 17104 1259prm 17106 4001lem1 17111 4001lem4 17114 birthday 26918 ppiub 27167 bposlem6 27252 bposlem9 27255 2lgsoddprmlem3d 27376 ex-mod 30519 cyc3conja 33218 fib5 34549 hgt750lem2 34796 kur14lem8 35395 problem1 35847 235t711 42737 3cubeslem3l 43118 3cubeslem3r 43119 sin5tlem1 47321 sin5tlem5 47325 sin5t 47326 goldrasin 47330 fmtnorec2 48006 fmtno5lem4 48019 257prm 48024 fmtno4nprmfac193 48037 41prothprmlem2 48081 linevalexample 48871 ackval2012 49167 ackval3012 49168 |
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