Talk:Lebesgue function

Missing variable?

I think that in the formula $$L _ {n} ^ \Phi ( t) = \sup _ {f : \| f \| _ {C [ a , b ] } \leq 1 } | S _ {n} ( f ) | ,\ \ t \in [ a , b ] ,$$ the term $| S _ {n} ( f ) |$ should read $| S _ {n} ( f )(t) |$. Richard Pinch (talk) 19:31, 28 February 2021 (UTC)