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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 12405 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7431 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12424 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11258 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11319 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2786 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12407 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7430 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2786 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12408 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2786 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7420 1c1 11201 + caddc 11203 2c2 12397 3c3 12398 4c4 12399 5c5 12400 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-1cn 11258 ax-addcl 11260 ax-addass 11265 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-un 4151 df-nul 4279 df-if 4482 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6546 df-ov 7423 df-2 12405 df-3 12406 df-4 12407 df-5 12408 |
| This theorem is used by: 3p3e6 12494 fz0to5un2tp 13765 2exp5 17263 2exp16 17268 prmlem1a 17284 5prm 17286 prmlem2 17298 1259lem1 17309 1259lem4 17312 1259prm 17314 4001lem1 17319 4001lem4 17322 birthday 27282 ppiub 27531 bposlem6 27616 bposlem9 27619 2lgsoddprmlem3d 27740 ex-mod 31050 cyc3conja 33718 fib5 35037 hgt750lem2 35281 kur14lem8 35978 problem1 36430 2p3e5 43317 2p5e7 43319 3p4e7 43322 3p5e8 43323 235t711 43363 3cubeslem3l 43697 3cubeslem3r 43698 sin5tlem1 47919 sin5tlem5 47923 sin5t 47924 goldrasin 47929 fmtnorec2 48628 fmtno5lem4 48641 257prm 48646 fmtno4nprmfac193 48659 41prothprmlem2 48703 linevalexample 49507 ackval2012 49803 ackval3012 49804 |
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