| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 12398 | . . . . 5 ⊢ 2 = (1 + 1) | |
| 2 | 1 | oveq2i 7429 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
| 3 | 3cn 12417 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 4 | ax-1cn 11251 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 5 | 3, 4, 4 | addassi 11312 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
| 6 | 2, 5 | eqtr4i 2787 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
| 7 | df-4 12400 | . . . 4 ⊢ 4 = (3 + 1) | |
| 8 | 7 | oveq1i 7428 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
| 9 | 6, 8 | eqtr4i 2787 | . 2 ⊢ (3 + 2) = (4 + 1) |
| 10 | df-5 12401 | . 2 ⊢ 5 = (4 + 1) | |
| 11 | 9, 10 | eqtr4i 2787 | 1 ⊢ (3 + 2) = 5 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 + caddc 11196 2c2 12390 3c3 12391 4c4 12392 5c5 12393 |
| 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 2733 ax-1cn 11251 ax-addcl 11253 ax-addass 11258 |
| 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 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 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 6493 df-fv 6545 df-ov 7421 df-2 12398 df-3 12399 df-4 12400 df-5 12401 |
| This theorem is used by: 3p3e6 12487 fz0to5un2tp 13758 2exp5 17256 2exp16 17261 prmlem1a 17277 5prm 17279 prmlem2 17291 1259lem1 17302 1259lem4 17305 1259prm 17307 4001lem1 17312 4001lem4 17315 birthday 27275 ppiub 27524 bposlem6 27609 bposlem9 27612 2lgsoddprmlem3d 27733 ex-mod 31043 cyc3conja 33711 fib5 35030 hgt750lem2 35274 kur14lem8 35957 problem1 36409 2p3e5 43296 2p5e7 43298 3p4e7 43301 3p5e8 43302 235t711 43342 3cubeslem3l 43676 3cubeslem3r 43677 sin5tlem1 47888 sin5tlem5 47892 sin5t 47893 goldrasin 47898 fmtnorec2 48597 fmtno5lem4 48610 257prm 48615 fmtno4nprmfac193 48628 41prothprmlem2 48672 linevalexample 49476 ackval2012 49772 ackval3012 49773 |
| Copyright terms: Public domain | W3C validator |