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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 11695 | . 2 ⊢ 3 = (2 + 1) | |
2 | 1 | eqcomi 2830 | 1 ⊢ (2 + 1) = 3 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 (class class class)co 7150 1c1 10532 + caddc 10534 2c2 11686 3c3 11687 |
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-9 2120 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1777 df-cleq 2814 df-3 11695 |
This theorem is referenced by: 1p2e3 11774 1p2e3ALT 11775 cnm2m1cnm3 11884 6t5e30 12199 7t5e35 12204 8t4e32 12209 9t4e36 12216 decbin3 12234 halfthird 12235 fz0to3un2pr 13003 fzo0to42pr 13118 m1modge3gt1 13280 fac3 13634 hash3 13761 hashtplei 13836 hashtpg 13837 s3len 14250 repsw3 14307 bpoly3 15406 bpoly4 15407 nn0o1gt2 15726 flodddiv4 15758 ge2nprmge4 16039 3exp3 16419 13prm 16443 37prm 16448 43prm 16449 83prm 16450 139prm 16451 163prm 16452 317prm 16453 631prm 16454 1259lem1 16458 1259lem2 16459 1259lem3 16460 1259lem4 16461 1259lem5 16462 1259prm 16463 2503lem2 16465 2503prm 16467 4001lem1 16468 4001lem2 16469 4001lem4 16471 4001prm 16472 mcubic 25419 log2ublem3 25520 log2ub 25521 birthday 25526 chtub 25782 2lgsoddprmlem3c 25982 istrkg3ld 26241 usgr2wlkspthlem2 27533 elwwlks2ons3im 27727 umgrwwlks2on 27730 elwwlks2 27739 elwspths2spth 27740 clwwlknonex2lem1 27880 clwwlknonex2lem2 27881 3wlkdlem5 27936 3wlkdlem10 27942 upgr3v3e3cycl 27953 upgr4cycl4dv4e 27958 konigsberglem1 28025 konigsberglem2 28026 konigsberglem3 28027 numclwlk1 28144 frgrregord013 28168 ex-hash 28226 threehalves 30586 lmat22det 31082 fib3 31656 prodfzo03 31869 hgt750lemd 31914 hgt750lem 31917 hgt750lem2 31918 3cubeslem3l 39276 3cubeslem3r 39277 jm2.23 39586 lt3addmuld 41561 wallispilem4 42347 wallispi2lem1 42350 stirlinglem11 42363 fmtno0 43696 fmtno5lem4 43712 fmtno4prmfac 43728 fmtno4nprmfac193 43730 139prmALT 43753 31prm 43754 m7prm 43758 lighneallem4a 43767 41prothprmlem2 43777 2exp340mod341 43892 sbgoldbalt 43940 bgoldbtbndlem1 43964 tgoldbachlt 43975 pgrpgt2nabl 44408 |
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