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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 12409 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7432 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12428 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11262 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11323 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2786 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12411 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7431 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2786 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12412 | . 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 7421 1c1 11205 + caddc 11207 2c2 12401 3c3 12402 4c4 12403 5c5 12404 |
| 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 11262 ax-addcl 11264 ax-addass 11269 |
| 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 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-iota 6494 df-fv 6547 df-ov 7424 df-2 12409 df-3 12410 df-4 12411 df-5 12412 |
| This theorem is used by: 3p3e6 12498 fz0to5un2tp 13769 2exp5 17269 2exp16 17274 prmlem1a 17290 5prm 17292 prmlem2 17304 1259lem1 17315 1259lem4 17318 1259prm 17320 4001lem1 17325 4001lem4 17328 birthday 27288 ppiub 27537 bposlem6 27622 bposlem9 27625 2lgsoddprmlem3d 27746 ex-mod 31056 cyc3conja 33765 fib5 35084 hgt750lem2 35328 kur14lem8 36065 problem1 36517 2p3e5 43410 2p5e7 43412 3p4e7 43415 3p5e8 43416 235t711 43456 3cubeslem3l 43790 3cubeslem3r 43791 sin5tlem1 48013 sin5tlem5 48017 sin5t 48018 goldrasin 48023 fmtnorec2 48722 fmtno5lem4 48735 257prm 48740 fmtno4nprmfac193 48753 41prothprmlem2 48797 linevalexample 49601 ackval2012 49897 ackval3012 49898 |
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