\ forall x, \ sup \ noli mits _ {{f \ in {\ mathcal {F}}}} \ vert f (x) -Pf \ vert

\ forall x, \ sup \ noli mits _ {{f \ in {\ mathcal {F}}}} \ vert f (x) -Pf \ vert

\ forall x, \ sup \ noli mits _ {{f \ in {\ mathcal {F}}}} \ vert f (x) -Pf \ vert

\ forall x, \ sup \ noli mits _ {{f \ in {\ mathcal {F}}}} \ vert f (x) -Pf \ vert