let n be non zero Nat; for f being PartFunc of [:(CarProduct ((Seg n) --> RNS_Real)),RNS_Real:],RNS_Real
for g being PartFunc of [:(CarProduct ((Seg n) --> REAL)),REAL:],REAL
for Pg2 being PartFunc of (CarProduct ((Seg n) --> RNS_Real)),RNS_Real
for y being Element of REAL st f is_continuous_on dom f & f = g & Pg2 = ProjPMap2 (|.(R_EAL g).|,y) holds
Pg2 is_continuous_on dom Pg2
let f be PartFunc of [:(CarProduct ((Seg n) --> RNS_Real)),RNS_Real:],RNS_Real; for g being PartFunc of [:(CarProduct ((Seg n) --> REAL)),REAL:],REAL
for Pg2 being PartFunc of (CarProduct ((Seg n) --> RNS_Real)),RNS_Real
for y being Element of REAL st f is_continuous_on dom f & f = g & Pg2 = ProjPMap2 (|.(R_EAL g).|,y) holds
Pg2 is_continuous_on dom Pg2
let g be PartFunc of [:(CarProduct ((Seg n) --> REAL)),REAL:],REAL; for Pg2 being PartFunc of (CarProduct ((Seg n) --> RNS_Real)),RNS_Real
for y being Element of REAL st f is_continuous_on dom f & f = g & Pg2 = ProjPMap2 (|.(R_EAL g).|,y) holds
Pg2 is_continuous_on dom Pg2
let Pg2 be PartFunc of (CarProduct ((Seg n) --> RNS_Real)),RNS_Real; for y being Element of REAL st f is_continuous_on dom f & f = g & Pg2 = ProjPMap2 (|.(R_EAL g).|,y) holds
Pg2 is_continuous_on dom Pg2
let y be Element of REAL ; ( f is_continuous_on dom f & f = g & Pg2 = ProjPMap2 (|.(R_EAL g).|,y) implies Pg2 is_continuous_on dom Pg2 )
assume that
A1:
f is_continuous_on dom f
and
A2:
f = g
and
A3:
Pg2 = ProjPMap2 (|.(R_EAL g).|,y)
; Pg2 is_continuous_on dom Pg2
Pg2 = |.(R_EAL (ProjPMap2 (g,y))).|
by A3, MESFUN16:31;
then
Pg2 = R_EAL (abs (ProjPMap2 (g,y)))
by MESFUNC6:1;
then
Pg2 = R_EAL (ProjPMap2 (|.g.|,y))
by MESFUN16:32;
hence
Pg2 is_continuous_on dom Pg2
by A1, A2, Th19, MESFUNC5:def 7; verum