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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 12304 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7423 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12323 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11159 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11220 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2789 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12306 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7422 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2789 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12307 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2789 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7412 1c1 11102 + caddc 11104 2c2 12296 3c3 12297 4c4 12298 5c5 12299 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 ax-1cn 11159 ax-addcl 11161 ax-addass 11166 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-iota 6494 df-fv 6546 df-ov 7415 df-2 12304 df-3 12305 df-4 12306 df-5 12307 |
| This theorem is referenced by: 3p3e6 12393 fz0to5un2tp 13661 2exp5 17146 2exp16 17151 prmlem1a 17167 5prm 17169 prmlem2 17181 1259lem1 17192 1259lem4 17195 1259prm 17197 4001lem1 17202 4001lem4 17205 birthday 27100 ppiub 27349 bposlem6 27434 bposlem9 27437 2lgsoddprmlem3d 27558 ex-mod 30781 cyc3conja 33458 fib5 34776 hgt750lem2 35020 kur14lem8 35686 problem1 36138 235t711 43047 3cubeslem3l 43400 3cubeslem3r 43401 sin5tlem1 47593 sin5tlem5 47597 sin5t 47598 goldrasin 47602 fmtnorec2 48278 fmtno5lem4 48291 257prm 48296 fmtno4nprmfac193 48309 41prothprmlem2 48353 linevalexample 49158 ackval2012 49454 ackval3012 49455 |
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