I.
, XIX . - . { , , . , , " ", . .}
. , .
, , .
:
" "
( );
"2+3=6"
( ).
. :
, :
(" " , ).
2 . True/False, ./., 1/0.
, , . , :
: ( ).
, . , , , . , , .
A, B, C . ., , { }.
:
, , &;
, , V;
, ¯.
, :
A | B | A & B | A V B | |
0 () 0 () 1 () 1 () | 0 () 1 () 0 () 1 () | 0 () 0 () 0 () 1 () | 0 () 1 () 1 () 1 () | 1 () 0 () |
, . ,
5<3, X=1, 7=7
A, B, C, :
"A B C" , X,
"A B C" X,
"A B C" X,
"A ( B C)" X,
"A B C" X=1 X¹1.
, . : {"" "", "" "", "" "", , .}
{ , , , , , .}