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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 12299 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7419 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12318 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11154 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11215 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2795 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12301 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7418 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2795 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12302 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2795 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7408 1c1 11097 + caddc 11099 2c2 12291 3c3 12292 4c4 12293 5c5 12294 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 ax-1cn 11154 ax-addcl 11156 ax-addass 11161 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-ss 3930 df-nul 4295 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-iota 6489 df-fv 6541 df-ov 7411 df-2 12299 df-3 12300 df-4 12301 df-5 12302 |
| This theorem is referenced by: 3p3e6 12388 fz0to5un2tp 13655 2exp5 17141 2exp16 17146 prmlem1a 17162 5prm 17164 prmlem2 17176 1259lem1 17187 1259lem4 17190 1259prm 17192 4001lem1 17197 4001lem4 17200 birthday 27081 ppiub 27330 bposlem6 27415 bposlem9 27418 2lgsoddprmlem3d 27539 ex-mod 30737 cyc3conja 33414 fib5 34736 hgt750lem2 34980 kur14lem8 35600 problem1 36052 235t711 42949 3cubeslem3l 43302 3cubeslem3r 43303 sin5tlem1 47492 sin5tlem5 47496 sin5t 47497 goldrasin 47501 fmtnorec2 48177 fmtno5lem4 48190 257prm 48195 fmtno4nprmfac193 48208 41prothprmlem2 48252 linevalexample 49053 ackval2012 49349 ackval3012 49350 |
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