let p be Prime; for n being non zero Nat
for F being p -characteristic Field
for E being FieldExtension of F st card E = p |^ n holds
for a being Element of E holds Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
let n be non zero Nat; for F being p -characteristic Field
for E being FieldExtension of F st card E = p |^ n holds
for a being Element of E holds Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
let F be p -characteristic Field; for E being FieldExtension of F st card E = p |^ n holds
for a being Element of E holds Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
let E be FieldExtension of F; ( card E = p |^ n implies for a being Element of E holds Ext_eval ((X^ ((p |^ n),F)),a) = 0. E )
assume A:
card E = p |^ n
; for a being Element of E holds Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
let a be Element of E; Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
a |^ (p |^ n) = a
by A, thX0;
hence
Ext_eval ((X^ ((p |^ n),F)),a) = 0. E
by thXXe, FIELD_4:def 2; verum