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Mirrors > Home > MPE Home > Th. List > 2p1e3 | Structured version Visualization version GIF version |
Description: 2 + 1 = 3. (Contributed by Mario Carneiro, 18-Apr-2015.) |
Ref | Expression |
---|---|
2p1e3 | ⊢ (2 + 1) = 3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3 11704 | . 2 ⊢ 3 = (2 + 1) | |
2 | 1 | eqcomi 2832 | 1 ⊢ (2 + 1) = 3 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7158 1c1 10540 + caddc 10542 2c2 11695 3c3 11696 |
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 1970 ax-7 2015 ax-9 2124 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1781 df-cleq 2816 df-3 11704 |
This theorem is referenced by: 1p2e3 11783 1p2e3ALT 11784 cnm2m1cnm3 11893 6t5e30 12208 7t5e35 12213 8t4e32 12218 9t4e36 12225 decbin3 12243 halfthird 12244 fz0to3un2pr 13012 fzo0to42pr 13127 m1modge3gt1 13289 fac3 13643 hash3 13770 hashtplei 13845 hashtpg 13846 s3len 14258 repsw3 14315 bpoly3 15414 bpoly4 15415 nn0o1gt2 15734 flodddiv4 15766 ge2nprmge4 16047 3exp3 16427 13prm 16451 37prm 16456 43prm 16457 83prm 16458 139prm 16459 163prm 16460 317prm 16461 631prm 16462 1259lem1 16466 1259lem2 16467 1259lem3 16468 1259lem4 16469 1259lem5 16470 1259prm 16471 2503lem2 16473 2503prm 16475 4001lem1 16476 4001lem2 16477 4001lem4 16479 4001prm 16480 mcubic 25427 log2ublem3 25528 log2ub 25529 birthday 25534 chtub 25790 2lgsoddprmlem3c 25990 istrkg3ld 26249 usgr2wlkspthlem2 27541 elwwlks2ons3im 27735 umgrwwlks2on 27738 elwwlks2 27747 elwspths2spth 27748 clwwlknonex2lem1 27888 clwwlknonex2lem2 27889 3wlkdlem5 27944 3wlkdlem10 27950 upgr3v3e3cycl 27961 upgr4cycl4dv4e 27966 konigsberglem1 28033 konigsberglem2 28034 konigsberglem3 28035 numclwlk1 28152 frgrregord013 28176 ex-hash 28234 threehalves 30593 lmat22det 31089 fib3 31663 prodfzo03 31876 hgt750lemd 31921 hgt750lem 31924 hgt750lem2 31925 3cubeslem3l 39290 3cubeslem3r 39291 jm2.23 39600 lt3addmuld 41575 wallispilem4 42360 wallispi2lem1 42363 stirlinglem11 42376 fmtno0 43709 fmtno5lem4 43725 fmtno4prmfac 43741 fmtno4nprmfac193 43743 139prmALT 43766 31prm 43767 m7prm 43771 lighneallem4a 43780 41prothprmlem2 43790 2exp340mod341 43905 sbgoldbalt 43953 bgoldbtbndlem1 43977 tgoldbachlt 43988 pgrpgt2nabl 44421 |
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