let N be non empty with_non-empty_elements set ; for S being non empty stored-program IC-Ins-separated steady-programmed definite standard AMI-Struct of N
for l1 being Element of NAT
for F being NAT -defined non empty FinPartState of st l1 in dom F holds
FirstLoc F <= l1,S
let S be non empty stored-program IC-Ins-separated steady-programmed definite standard AMI-Struct of N; for l1 being Element of NAT
for F being NAT -defined non empty FinPartState of st l1 in dom F holds
FirstLoc F <= l1,S
let l1 be Element of NAT ; for F being NAT -defined non empty FinPartState of st l1 in dom F holds
FirstLoc F <= l1,S
let F be NAT -defined non empty FinPartState of ; ( l1 in dom F implies FirstLoc F <= l1,S )
assume A1:
l1 in dom F
; FirstLoc F <= l1,S
consider M being non empty Subset of NAT such that
A2:
M = { (locnum w,S) where w is Element of NAT : w in dom F }
and
A3:
FirstLoc F = il. S,(min M)
by Def2;
locnum l1,S in M
by A1, A2;
then A4:
min M <= locnum l1,S
by XXREAL_2:def 7;
locnum (FirstLoc F),S = min M
by A3, AMISTD_1:def 13;
hence
FirstLoc F <= l1,S
by A4, AMISTD_1:29; verum