let X be non empty set ; for S being SigmaField of X
for M being sigma_Measure of S
for f, g being PartFunc of X,REAL
for a being Real
for k being positive Real st ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) holds
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
let S be SigmaField of X; for M being sigma_Measure of S
for f, g being PartFunc of X,REAL
for a being Real
for k being positive Real st ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) holds
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
let M be sigma_Measure of S; for f, g being PartFunc of X,REAL
for a being Real
for k being positive Real st ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) holds
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
let f, g be PartFunc of X,REAL; for a being Real
for k being positive Real st ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) holds
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
let a be Real; for k being positive Real st ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) holds
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
let k be positive Real; ( ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) implies a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k) )
assume
( ex E being Element of S st
( M . (E `) = 0 & dom f = E & f is E -measurable ) & ex E being Element of S st
( M . (E `) = 0 & dom g = E & g is E -measurable ) & not a.e-eq-class_Lp (f,M,k) is empty & a.e-eq-class_Lp (f,M,k) = a.e-eq-class_Lp (g,M,k) )
; a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
then
a (#) f a.e.= a (#) g,M
by Th39, LPSPACE1:32;
hence
a.e-eq-class_Lp ((a (#) f),M,k) = a.e-eq-class_Lp ((a (#) g),M,k)
by Th41; verum