let I be non empty closed_interval Subset of REAL; for J being Subset of REAL
for y being Element of REAL
for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg2 being PartFunc of REAL,REAL st y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) holds
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
let J be Subset of REAL; for y being Element of REAL
for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg2 being PartFunc of REAL,REAL st y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) holds
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
let y be Element of REAL ; for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg2 being PartFunc of REAL,REAL st y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) holds
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
let f be PartFunc of [:RNS_Real,RNS_Real:],RNS_Real; for g being PartFunc of [:REAL,REAL:],REAL
for Pg2 being PartFunc of REAL,REAL st y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) holds
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
let g be PartFunc of [:REAL,REAL:],REAL; for Pg2 being PartFunc of REAL,REAL st y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) holds
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
let Pg2 be PartFunc of REAL,REAL; ( y in J & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg2 = ProjPMap2 ((R_EAL g),y) implies ( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y ) )
assume that
A1:
y in J
and
A2:
dom f = [:I,J:]
and
A3:
f is_continuous_on [:I,J:]
and
A4:
f = g
and
A5:
Pg2 = ProjPMap2 ((R_EAL g),y)
; ( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) & integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
A6:
I is Element of L-Field
by MEASUR10:5, MEASUR12:75;
A7:
dom Pg2 = I
by A1, A2, A4, A5, Th28;
( Pg2 | I is bounded & Pg2 is_integrable_on I )
by A1, A2, A3, A4, A5, Th42;
hence
( Pg2 is_integrable_on L-Meas & integral (Pg2,I) = Integral (L-Meas,Pg2) )
by A6, A7, MESFUN14:49; ( integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y))) & integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y )
hence
integral (Pg2,I) = Integral (L-Meas,(ProjPMap2 ((R_EAL g),y)))
by A5, MESFUNC5:def 7; integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y
hence
integral (Pg2,I) = (Integral1 (L-Meas,(R_EAL g))) . y
by MESFUN12:def 7; verum