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Definition df-phc 26127
Description: Definition of the symbol  ph. Experimental. (Contributed by FL, 2-Feb-2014.)
Assertion
Ref Expression
df-phc  |-  ph c  =  { <. 1 ,  7
>. }

Detailed syntax breakdown of Definition df-phc
StepHypRef Expression
1 cphc 26126 . 2  class  ph c
2 c1 8754 . . . 4  class  1
3 c7 9816 . . . 4  class  7
42, 3cop 3656 . . 3  class  <. 1 ,  7 >.
54csn 3653 . 2  class  { <. 1 ,  7 >. }
61, 5wceq 1632 1  wff  ph c  =  { <. 1 ,  7
>. }
Colors of variables: wff set class
This definition is referenced by:  phckle  26130  phpf  26153  pgapspf  26155
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