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Definition df-9 10379
Description: Define the number 9. (Contributed by NM, 27-May-1999.)
Assertion
Ref Expression
df-9

Detailed syntax breakdown of Definition df-9
StepHypRef Expression
1 c9 10370 . 2
2 c8 10369 . . 3
3 c1 9275 . . 3
4 caddc 9277 . . 3
52, 3, 4co 6086 . 2
61, 5wceq 1369 1
Colors of variables: wff setvar class
This definition is referenced by:  9re  10400  9pos  10415  8p1e9  10444  5p4e9  10453  6p3e9  10456  7p2e9  10458  8p2e10  10460  9nn  10478  8lt9  10508  9p9e18  10816  9t9e81  10849  19prm  14137  139prm  14143  log2tlbnd  22320  bposlem8  22610  lgsdir2lem5  22646  rmydioph  29334
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