let S be non empty set ; for R being total Relation of S,S
for BASSIGN being non empty Subset of (ModelSP S)
for f, g being Assign of (CTLModel R,BASSIGN) st SIGMA f = SIGMA g holds
f = g
let R be total Relation of S,S; for BASSIGN being non empty Subset of (ModelSP S)
for f, g being Assign of (CTLModel R,BASSIGN) st SIGMA f = SIGMA g holds
f = g
let BASSIGN be non empty Subset of (ModelSP S); for f, g being Assign of (CTLModel R,BASSIGN) st SIGMA f = SIGMA g holds
f = g
let f, g be Assign of (CTLModel R,BASSIGN); ( SIGMA f = SIGMA g implies f = g )
assume A1:
SIGMA f = SIGMA g
; f = g
SIGMA f = { s where s is Element of S : (Fid f,S) . s = TRUE }
by Lm46;
then
{ s where s is Element of S : (Fid f,S) . s = TRUE } = { s where s is Element of S : (Fid g,S) . s = TRUE }
by A1, Lm46;
hence
f = g
by Lm47, Lm48; verum