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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 11699 | . . . . 5 ⊢ 2 = (1 + 1) | |
2 | 1 | oveq2i 7166 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
3 | 3cn 11717 | . . . . 5 ⊢ 3 ∈ ℂ | |
4 | ax-1cn 10594 | . . . . 5 ⊢ 1 ∈ ℂ | |
5 | 3, 4, 4 | addassi 10650 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
6 | 2, 5 | eqtr4i 2847 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
7 | df-4 11701 | . . . 4 ⊢ 4 = (3 + 1) | |
8 | 7 | oveq1i 7165 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
9 | 6, 8 | eqtr4i 2847 | . 2 ⊢ (3 + 2) = (4 + 1) |
10 | df-5 11702 | . 2 ⊢ 5 = (4 + 1) | |
11 | 9, 10 | eqtr4i 2847 | 1 ⊢ (3 + 2) = 5 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 (class class class)co 7155 1c1 10537 + caddc 10539 2c2 11691 3c3 11692 4c4 11693 5c5 11694 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-1cn 10594 ax-addcl 10596 ax-addass 10601 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4567 df-pr 4569 df-op 4573 df-uni 4838 df-br 5066 df-iota 6313 df-fv 6362 df-ov 7158 df-2 11699 df-3 11700 df-4 11701 df-5 11702 |
This theorem is referenced by: 3p3e6 11788 2exp16 16423 prmlem1a 16439 5prm 16441 prmlem2 16452 1259lem1 16463 1259lem4 16466 1259prm 16468 4001lem1 16473 4001lem4 16476 birthday 25531 ppiub 25779 bposlem6 25864 bposlem9 25867 2lgsoddprmlem3d 25988 ex-mod 28227 cyc3conja 30799 fib5 31663 hgt750lem2 31923 kur14lem8 32460 problem1 32908 235t711 39175 3cubeslem3l 39281 3cubeslem3r 39282 fmtnorec2 43704 fmtno5lem4 43717 257prm 43722 fmtno4nprmfac193 43735 2exp5 43754 41prothprmlem2 43782 linevalexample 44449 |
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