let I be Subset of REAL; for J being non empty closed_interval Subset of REAL
for x being Element of REAL
for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg1 being PartFunc of REAL,REAL st x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) holds
( Pg1 | J is bounded & Pg1 is_integrable_on J )
let J be non empty closed_interval Subset of REAL; for x being Element of REAL
for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg1 being PartFunc of REAL,REAL st x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) holds
( Pg1 | J is bounded & Pg1 is_integrable_on J )
let x be Element of REAL ; for f being PartFunc of [:RNS_Real,RNS_Real:],RNS_Real
for g being PartFunc of [:REAL,REAL:],REAL
for Pg1 being PartFunc of REAL,REAL st x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) holds
( Pg1 | J is bounded & Pg1 is_integrable_on J )
let f be PartFunc of [:RNS_Real,RNS_Real:],RNS_Real; for g being PartFunc of [:REAL,REAL:],REAL
for Pg1 being PartFunc of REAL,REAL st x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) holds
( Pg1 | J is bounded & Pg1 is_integrable_on J )
let g be PartFunc of [:REAL,REAL:],REAL; for Pg1 being PartFunc of REAL,REAL st x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) holds
( Pg1 | J is bounded & Pg1 is_integrable_on J )
let Pg1 be PartFunc of REAL,REAL; ( x in I & dom f = [:I,J:] & f is_continuous_on [:I,J:] & f = g & Pg1 = ProjPMap1 (|.(R_EAL g).|,x) implies ( Pg1 | J is bounded & Pg1 is_integrable_on J ) )
assume that
A1:
x in I
and
A2:
dom f = [:I,J:]
and
A3:
f is_continuous_on [:I,J:]
and
A4:
f = g
and
A5:
Pg1 = ProjPMap1 (|.(R_EAL g).|,x)
; ( Pg1 | J is bounded & Pg1 is_integrable_on J )
dom Pg1 = J
by A1, A2, A4, A5, Th27;
hence
( Pg1 | J is bounded & Pg1 is_integrable_on J )
by A2, A3, A4, A5, Th38, INTEGRA5:10, INTEGRA5:11; verum