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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 12220 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7379 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12238 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11096 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11154 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2763 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12222 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7378 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2763 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12223 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2763 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7368 1c1 11039 + caddc 11041 2c2 12212 3c3 12213 4c4 12214 5c5 12215 |
| 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 2709 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 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-iota 6456 df-fv 6508 df-ov 7371 df-2 12220 df-3 12221 df-4 12222 df-5 12223 |
| This theorem is referenced by: 3p3e6 12304 fz0to5un2tp 13559 2exp5 17025 2exp16 17030 prmlem1a 17046 5prm 17048 prmlem2 17059 1259lem1 17070 1259lem4 17073 1259prm 17075 4001lem1 17080 4001lem4 17083 birthday 26932 ppiub 27183 bposlem6 27268 bposlem9 27271 2lgsoddprmlem3d 27392 ex-mod 30536 cyc3conja 33250 fib5 34582 hgt750lem2 34829 kur14lem8 35426 problem1 35878 235t711 42672 3cubeslem3l 43040 3cubeslem3r 43041 fmtnorec2 47900 fmtno5lem4 47913 257prm 47918 fmtno4nprmfac193 47931 41prothprmlem2 47975 linevalexample 48752 ackval2012 49048 ackval3012 49049 |
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