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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 12445 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7462 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12464 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11297 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11358 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2789 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12447 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7461 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2789 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12448 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2789 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7451 1c1 11240 + caddc 11242 2c2 12437 3c3 12438 4c4 12439 5c5 12440 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 ax-1cn 11297 ax-addcl 11299 ax-addass 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-iota 6520 df-fv 6574 df-ov 7454 df-2 12445 df-3 12446 df-4 12447 df-5 12448 |
| This theorem is used by: 3p3e6 12534 fz0to5un2tp 13805 2exp5 17307 2exp16 17312 prmlem1a 17328 5prm 17330 prmlem2 17342 1259lem1 17353 1259lem4 17356 1259prm 17358 4001lem1 17363 4001lem4 17366 birthday 27339 ppiub 27588 bposlem6 27673 bposlem9 27676 2lgsoddprmlem3d 27797 ex-mod 31107 cyc3conja 33817 fib5 35148 hgt750lem2 35392 kur14lem8 36186 problem1 36638 2p3e5 43582 2p5e7 43584 3p4e7 43587 3p5e8 43588 235t711 43628 3cubeslem3l 43962 3cubeslem3r 43963 sin5tlem1 48192 sin5tlem5 48196 sin5t 48197 goldrasin 48202 fmtnorec2 48901 fmtno5lem4 48914 257prm 48919 fmtno4nprmfac193 48932 41prothprmlem2 48976 linevalexample 49838 ackval2012 50134 ackval3012 50135 |
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