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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 12327 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7424 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12346 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11182 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11243 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2786 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12329 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7423 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2786 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12330 | . 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 1570 (class class class)co 7413 1c1 11125 + caddc 11127 2c2 12319 3c3 12320 4c4 12321 5c5 12322 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 ax-1cn 11182 ax-addcl 11184 ax-addass 11189 |
| 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 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-iota 6489 df-fv 6541 df-ov 7416 df-2 12327 df-3 12328 df-4 12329 df-5 12330 |
| This theorem is used by: 3p3e6 12416 fz0to5un2tp 13686 2exp5 17177 2exp16 17182 prmlem1a 17198 5prm 17200 prmlem2 17212 1259lem1 17223 1259lem4 17226 1259prm 17228 4001lem1 17233 4001lem4 17236 birthday 27191 ppiub 27440 bposlem6 27525 bposlem9 27528 2lgsoddprmlem3d 27649 ex-mod 30929 cyc3conja 33597 fib5 34916 hgt750lem2 35160 kur14lem8 35792 problem1 36244 2p3e5 43132 2p5e7 43134 3p4e7 43137 3p5e8 43138 235t711 43180 3cubeslem3l 43531 3cubeslem3r 43532 sin5tlem1 47737 sin5tlem5 47741 sin5t 47742 goldrasin 47747 fmtnorec2 48446 fmtno5lem4 48459 257prm 48464 fmtno4nprmfac193 48477 41prothprmlem2 48521 linevalexample 49325 ackval2012 49621 ackval3012 49622 |
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