let A be Euclidean preIfWhileAlgebra; for X being non empty countable set
for s being Element of Funcs X,INT
for T being Subset of (Funcs X,INT )
for f being Euclidean ExecutionFunction of A, Funcs X,INT ,T
for i being integer number
for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let X be non empty countable set ; for s being Element of Funcs X,INT
for T being Subset of (Funcs X,INT )
for f being Euclidean ExecutionFunction of A, Funcs X,INT ,T
for i being integer number
for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let s be Element of Funcs X,INT ; for T being Subset of (Funcs X,INT )
for f being Euclidean ExecutionFunction of A, Funcs X,INT ,T
for i being integer number
for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let T be Subset of (Funcs X,INT ); for f being Euclidean ExecutionFunction of A, Funcs X,INT ,T
for i being integer number
for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let f be Euclidean ExecutionFunction of A, Funcs X,INT ,T; for i being integer number
for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let i be integer number ; for x being Variable of f holds
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
let x be Variable of f; ( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
A1:
(. i,A,f) . s = i
by FUNCOP_1:13;
A2:
(^ x) . s = x
by FUNCOP_1:13;
A3:
(. (^ x)) . s = s . ((^ x) . s)
by Def19;
((. x) mod (. i,A,f)) . s = ((. x) . s) mod ((. i,A,f) . s)
by Def30;
hence
( (f . s,(x %= i)) . x = (s . x) mod i & ( for z being Element of X st z <> x holds
(f . s,(x %= i)) . z = s . z ) )
by A1, A2, A3, Th24; verum