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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 11703 | . . . . 5 ⊢ 2 = (1 + 1) | |
2 | 1 | oveq2i 7170 | . . . 4 ⊢ (3 + 2) = (3 + (1 + 1)) |
3 | 3cn 11721 | . . . . 5 ⊢ 3 ∈ ℂ | |
4 | ax-1cn 10598 | . . . . 5 ⊢ 1 ∈ ℂ | |
5 | 3, 4, 4 | addassi 10654 | . . . 4 ⊢ ((3 + 1) + 1) = (3 + (1 + 1)) |
6 | 2, 5 | eqtr4i 2850 | . . 3 ⊢ (3 + 2) = ((3 + 1) + 1) |
7 | df-4 11705 | . . . 4 ⊢ 4 = (3 + 1) | |
8 | 7 | oveq1i 7169 | . . 3 ⊢ (4 + 1) = ((3 + 1) + 1) |
9 | 6, 8 | eqtr4i 2850 | . 2 ⊢ (3 + 2) = (4 + 1) |
10 | df-5 11706 | . 2 ⊢ 5 = (4 + 1) | |
11 | 9, 10 | eqtr4i 2850 | 1 ⊢ (3 + 2) = 5 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1536 (class class class)co 7159 1c1 10541 + caddc 10543 2c2 11695 3c3 11696 4c4 11697 5c5 11698 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-1cn 10598 ax-addcl 10600 ax-addass 10605 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-rab 3150 df-v 3499 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-iota 6317 df-fv 6366 df-ov 7162 df-2 11703 df-3 11704 df-4 11705 df-5 11706 |
This theorem is referenced by: 3p3e6 11792 2exp16 16427 prmlem1a 16443 5prm 16445 prmlem2 16456 1259lem1 16467 1259lem4 16470 1259prm 16472 4001lem1 16477 4001lem4 16480 birthday 25535 ppiub 25783 bposlem6 25868 bposlem9 25871 2lgsoddprmlem3d 25992 ex-mod 28231 cyc3conja 30803 fib5 31667 hgt750lem2 31927 kur14lem8 32464 problem1 32912 235t711 39183 3cubeslem3l 39289 3cubeslem3r 39290 fmtnorec2 43712 fmtno5lem4 43725 257prm 43730 fmtno4nprmfac193 43743 2exp5 43762 41prothprmlem2 43790 linevalexample 44457 |
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