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Definition df-6 10062
Description: Define the number 6. (Contributed by NM, 27-May-1999.)
Assertion
Ref Expression
df-6  |-  6  =  ( 5  +  1 )

Detailed syntax breakdown of Definition df-6
StepHypRef Expression
1 c6 10053 . 2  class  6
2 c5 10052 . . 3  class  5
3 c1 8991 . . 3  class  1
4 caddc 8993 . . 3  class  +
52, 3, 4co 6081 . 2  class  ( 5  +  1 )
61, 5wceq 1652 1  wff  6  =  ( 5  +  1 )
Colors of variables: wff set class
This definition is referenced by:  6re  10076  6pos  10088  5p1e6  10106  3p3e6  10112  4p2e6  10113  5p2e7  10116  6nn  10137  5lt6  10152  6p6e12  10433  7p6e13  10436  8p6e14  10441  8p8e16  10443  9p6e15  10448  9p7e16  10449  6t6e36  10463  7t6e42  10468  8t6e48  10474  9t6e54  10481  lt6abl  15504  ppiublem1  20986  ppiublem2  20987  ppiub  20988  bposlem8  21075  lgsdir2lem3  21109  rmydioph  27085  expdiophlem2  27093
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