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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 12208 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7369 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12226 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11084 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11142 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2762 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12210 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7368 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2762 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12211 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2762 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 1c1 11027 + caddc 11029 2c2 12200 3c3 12201 4c4 12202 5c5 12203 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2708 ax-1cn 11084 ax-addcl 11086 ax-addass 11091 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2715 df-cleq 2728 df-clel 2811 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-iota 6448 df-fv 6500 df-ov 7361 df-2 12208 df-3 12209 df-4 12210 df-5 12211 |
| This theorem is referenced by: 3p3e6 12292 fz0to5un2tp 13547 2exp5 17013 2exp16 17018 prmlem1a 17034 5prm 17036 prmlem2 17047 1259lem1 17058 1259lem4 17061 1259prm 17063 4001lem1 17068 4001lem4 17071 birthday 26920 ppiub 27171 bposlem6 27256 bposlem9 27259 2lgsoddprmlem3d 27380 ex-mod 30524 cyc3conja 33239 fib5 34562 hgt750lem2 34809 kur14lem8 35407 problem1 35859 235t711 42560 3cubeslem3l 42928 3cubeslem3r 42929 fmtnorec2 47789 fmtno5lem4 47802 257prm 47807 fmtno4nprmfac193 47820 41prothprmlem2 47864 linevalexample 48641 ackval2012 48937 ackval3012 48938 |
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