let L1 be lower-bounded continuous sup-Semilattice; :: thesis: for T being correct Lawson TopAugmentation of L1 holds weight T c= CLweight L1
let T be correct Lawson TopAugmentation of L1; :: thesis: weight T c= CLweight L1
A1:
RelStr(# the carrier of T,the InternalRel of T #) = RelStr(# the carrier of L1,the InternalRel of L1 #)
by YELLOW_9:def 4;
consider B1 being with_bottom CLbasis of L1 such that
A2:
card B1 = CLweight L1
by Th4;
now per cases
( L1 is finite or not L1 is finite )
;
suppose A5:
not
L1 is
finite
;
:: thesis: weight T c= CLweight L1set WU =
{ (Way_Up a,A) where a is Element of L1, A is finite Subset of L1 : ( a in B1 & A c= B1 ) } ;
A6:
card { (Way_Up a,A) where a is Element of L1, A is finite Subset of L1 : ( a in B1 & A c= B1 ) } c= CLweight L1
by A2, A5, Th24;
{ (Way_Up a,A) where a is Element of L1, A is finite Subset of L1 : ( a in B1 & A c= B1 ) } is
Basis of
T
by Th26;
then
weight T c= card { (Way_Up a,A) where a is Element of L1, A is finite Subset of L1 : ( a in B1 & A c= B1 ) }
by WAYBEL23:74;
hence
weight T c= CLweight L1
by A6, XBOOLE_1:1;
:: thesis: verum end; end; end;
hence
weight T c= CLweight L1
; :: thesis: verum