let N be non empty with_non-empty_elements set ; for S being non empty stored-program IC-Ins-separated definite realistic COM-Struct of N
for k being Element of NAT
for d being data-only PartState of S holds ProgramPart (IncrIC d,k) = {}
let S be non empty stored-program IC-Ins-separated definite realistic COM-Struct of N; for k being Element of NAT
for d being data-only PartState of S holds ProgramPart (IncrIC d,k) = {}
let k be Element of NAT ; for d being data-only PartState of S holds ProgramPart (IncrIC d,k) = {}
let d be data-only PartState of S; ProgramPart (IncrIC d,k) = {}
A1:
dom (IncrIC d,k) = (dom d) \/ (dom (Start-At ((IC d) + k),S))
by FUNCT_4:def 1;
A2:
dom d c= Data-Locations S
by Th139;
NAT misses Data-Locations S
by Th15;
then A3:
dom d misses NAT
by A2, XBOOLE_1:63;
dom (Start-At ((IC d) + k),S) misses NAT
by Th134;
then
dom (IncrIC d,k) misses NAT
by A1, A3, XBOOLE_1:70;
hence
ProgramPart (IncrIC d,k) = {}
by RELAT_1:95; verum