let M, N be complete LATTICE; for P being correct Lawson TopAugmentation of [:M,N:]
for Q being correct Lawson TopAugmentation of M
for R being correct Lawson TopAugmentation of N st InclPoset (sigma N) is continuous holds
TopStruct(# the carrier of P, the topology of P #) = [:Q,R:]
let P be correct Lawson TopAugmentation of [:M,N:]; for Q being correct Lawson TopAugmentation of M
for R being correct Lawson TopAugmentation of N st InclPoset (sigma N) is continuous holds
TopStruct(# the carrier of P, the topology of P #) = [:Q,R:]
let Q be correct Lawson TopAugmentation of M; for R being correct Lawson TopAugmentation of N st InclPoset (sigma N) is continuous holds
TopStruct(# the carrier of P, the topology of P #) = [:Q,R:]
let R be correct Lawson TopAugmentation of N; ( InclPoset (sigma N) is continuous implies TopStruct(# the carrier of P, the topology of P #) = [:Q,R:] )
assume A1:
InclPoset (sigma N) is continuous
; TopStruct(# the carrier of P, the topology of P #) = [:Q,R:]
A2: the topology of P =
lambda [:M,N:]
by WAYBEL19:def 4
.=
the topology of [:Q,R:]
by A1, Th19
;
A3:
RelStr(# the carrier of Q, the InternalRel of Q #) = RelStr(# the carrier of M, the InternalRel of M #)
by YELLOW_9:def 4;
A4:
RelStr(# the carrier of R, the InternalRel of R #) = RelStr(# the carrier of N, the InternalRel of N #)
by YELLOW_9:def 4;
RelStr(# the carrier of P, the InternalRel of P #) = RelStr(# the carrier of [:M,N:], the InternalRel of [:M,N:] #)
by YELLOW_9:def 4;
then the carrier of P =
[: the carrier of Q, the carrier of N:]
by A3, YELLOW_3:def 2
.=
the carrier of [:Q,R:]
by A4, BORSUK_1:def 2
;
hence
TopStruct(# the carrier of P, the topology of P #) = [:Q,R:]
by A2; verum