let n be Ordinal; for T being connected TermOrder of n
for L being non empty right_complementable add-associative right_zeroed addLoopStr
for p being Polynomial of n,L
for i being Element of NAT st 1 <= i & i <= card (Support p) holds
HT (p,T) in Support (Up (p,T,i))
let T be connected TermOrder of n; for L being non empty right_complementable add-associative right_zeroed addLoopStr
for p being Polynomial of n,L
for i being Element of NAT st 1 <= i & i <= card (Support p) holds
HT (p,T) in Support (Up (p,T,i))
let L be non empty right_complementable add-associative right_zeroed addLoopStr ; for p being Polynomial of n,L
for i being Element of NAT st 1 <= i & i <= card (Support p) holds
HT (p,T) in Support (Up (p,T,i))
let p be Polynomial of n,L; for i being Element of NAT st 1 <= i & i <= card (Support p) holds
HT (p,T) in Support (Up (p,T,i))
let i be Element of NAT ; ( 1 <= i & i <= card (Support p) implies HT (p,T) in Support (Up (p,T,i)) )
assume that
A1:
1 <= i
and
A2:
i <= card (Support p)
; HT (p,T) in Support (Up (p,T,i))
Support p <> {}
by A1, A2;
then A3:
HT (p,T) in Support p
by TERMORD:def 6;
set u = Up (p,T,i);
set x = the Element of Support (Up (p,T,i));
A4:
Support (Up (p,T,i)) = Upper_Support (p,T,i)
by A2, Lm3;
then
card (Support (Up (p,T,i))) <> 0
by A1, A2, Def2;
then A5:
Support (Up (p,T,i)) <> {}
;
then A6:
the Element of Support (Up (p,T,i)) in Support (Up (p,T,i))
;
then reconsider x = the Element of Support (Up (p,T,i)) as Element of Bags n ;
Support (Up (p,T,i)) c= Support p
by A2, A4, Def2;
then
x <= HT (p,T),T
by A6, TERMORD:def 6;
hence
HT (p,T) in Support (Up (p,T,i))
by A2, A4, A5, A3, Def2; verum