ΠΛΗ30 ΜΑΘΗΜΑ 3.4
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Transcript of ΠΛΗ30 ΜΑΘΗΜΑ 3.4
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30 3:
3.4:
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.
.
1.
1.
2.
2 , 30, 3.4:
3. Kleene
4.
5.
1.
2.
1.
2.
.
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.
:
3 , 30, 3.4:
(-)
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B. 1.
4 , 30, 3.4:
.
..
..
x,y x+y
:
x,y x*y
:
x,y x-y
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B. 1.
5 , 30, 3.4:
.
L1 L2 . ( ..) ( .) Kleene L ( .) Kleene L1 ( .) L1 ( ) ( )
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B. 1. 1.
6 , 30, 3.4:
( )
L1 L2 L1 U L2
L1 , , r1 L1 , , r1 L2 , , r2
L1 U L2 r1+r2, .
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B. 1. 2.
7 , 30, 3.4:
( )
L1 L2 L1L2 .
L1 , , r1 L1 , , r1 L2 , , r2
L1L2 r1r2, .
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B. 1. 3. Kleene
8 , 30, 3.4:
( Kleene)
L L* .
L , , r
L* r*, .
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B. 1. 4.
9 , 30, 3.4:
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B. 1. 4.
10 , 30, 3.4:
A B 0 0
0,11 1
0,1
A B 0 0
0,1
0,1
1 1
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B. 1. 5.
11 , 30, 3.4:
( )
L1 L2 L1L2 .
L1,L2 , L1,L2 , , 1,2.
L1L2 1,2 : 1,2 (
)
.
,
L1L2, .
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B. 1. 5.
12 , 30, 3.4:
:L1={w{0,1}*| w 0} L2={w{0,1}*| w 1}
A B0
1 1
1
0 0
L1L2 = {w{0,1}*| w 0 1} :
A B
A
0 1
00
00
1 1 1 1
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B. 1. 5.
13 , 30, 3.4:
2:L1={w{0,1}*| w 00} L2={w{0,1}*| w 1}
A B0
1 0,1
1
0 1
0
L1L2 = {w{0,1}*| w 00 1} :
A B
A
0
0
0 01 11
1
0
1
0
1 0
1
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B. 1. 5. ( 1)
14 , 30, 3.4:
:
A 0
0 01 11
0 0
1 0
1
1: ( BY ):
1
1 1
A
0
01 1
0
1
0
1 0
1
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B. 1. 5. ( 2)
15 , 30, 3.4:
A
0
01 1
0 0
1 0
1
2: , : ( )
.
AX AY ( AX):
1 1
A 0
0 0
1 0
11
1
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B. 1. 5. ( 2)
16 , 30, 3.4:
L1L2 = {w{0,1}*| w 00 1}:
0 0
0
10
1
1
1
, ,
. ,
.
! .
01
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B. 2.
.
:
( )
17 , 30, 3.4:
.
:
( ) L1 U L2
1 2 L1 - L2
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B. 2. 5.
18 , 30, 3.4:
:L1={w{0,1}*| w 0} L2={w{0,1}*| w 1}
A B0
1 1
1
0 0
L1 U L2 = {w{0,1}*| w 0 1} :
A B
A
0 1
00
00
1 1 1 1
L1 (A) L2 (Y)
AX,,
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B. 2. 5.
19 , 30, 3.4:
:L1={w{0,1}*| w 0} L2={w{0,1}*| w 1}
A B0
1 1
1
0 0
L1 - L2 = {w{0,1}*| w 0 1} :
A B
A
0 1
00
00
1 1 1 1
L1 (A) L2 (X) AX
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. 1
() L={w{0,1}*| w 1}() L={w{0,1}*| w 0}() L1L2
20 , 30, 3.4:
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. 2 1 2
L1 L2 1 2
21 , 30, 3.4:
() .
() .
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() L1L2, L1L2,L1 - L2.
22 , 30, 3.4:
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() .
23 , 30, 3.4: