let tfsm1 be non empty Mealy-FSM of IAlph,OAlph; ex Tf being Function of the carrier of tfsm1,the carrier of tfsm1 st
( Tf is bijective & Tf . the InitS of tfsm1 = the InitS of tfsm1 & ( for q11 being State of tfsm1
for s being Element of IAlph holds
( Tf . (the Tran of tfsm1 . q11,s) = the Tran of tfsm1 . (Tf . q11),s & the OFun of tfsm1 . q11,s = the OFun of tfsm1 . (Tf . q11),s ) ) )
take Tf = id the carrier of tfsm1; ( Tf is bijective & Tf . the InitS of tfsm1 = the InitS of tfsm1 & ( for q11 being State of tfsm1
for s being Element of IAlph holds
( Tf . (the Tran of tfsm1 . q11,s) = the Tran of tfsm1 . (Tf . q11),s & the OFun of tfsm1 . q11,s = the OFun of tfsm1 . (Tf . q11),s ) ) )
thus
Tf is bijective
; ( Tf . the InitS of tfsm1 = the InitS of tfsm1 & ( for q11 being State of tfsm1
for s being Element of IAlph holds
( Tf . (the Tran of tfsm1 . q11,s) = the Tran of tfsm1 . (Tf . q11),s & the OFun of tfsm1 . q11,s = the OFun of tfsm1 . (Tf . q11),s ) ) )
thus
Tf . the InitS of tfsm1 = the InitS of tfsm1
by FUNCT_1:34; for q11 being State of tfsm1
for s being Element of IAlph holds
( Tf . (the Tran of tfsm1 . q11,s) = the Tran of tfsm1 . (Tf . q11),s & the OFun of tfsm1 . q11,s = the OFun of tfsm1 . (Tf . q11),s )
let q be Element of tfsm1; for s being Element of IAlph holds
( Tf . (the Tran of tfsm1 . q,s) = the Tran of tfsm1 . (Tf . q),s & the OFun of tfsm1 . q,s = the OFun of tfsm1 . (Tf . q),s )
let s be Element of IAlph; ( Tf . (the Tran of tfsm1 . q,s) = the Tran of tfsm1 . (Tf . q),s & the OFun of tfsm1 . q,s = the OFun of tfsm1 . (Tf . q),s )
thus Tf . (the Tran of tfsm1 . q,s) =
the Tran of tfsm1 . [q,s]
by FUNCT_1:34
.=
the Tran of tfsm1 . (Tf . q),s
by FUNCT_1:34
; the OFun of tfsm1 . q,s = the OFun of tfsm1 . (Tf . q),s
thus
the OFun of tfsm1 . q,s = the OFun of tfsm1 . (Tf . q),s
by FUNCT_1:34; verum