Metamath Proof Explorer


Theorem ltrelnq

Description: Positive fraction 'less than' is a relation on positive fractions. (Contributed by NM, 14-Feb-1996) (Revised by Mario Carneiro, 27-Apr-2013) (New usage is discouraged.)

Ref Expression
Assertion ltrelnq
|- 

Proof

Step Hyp Ref Expression
1 df-ltnq
 |-  
2 inss2
 |-  ( 
3 1 2 eqsstri
 |-