how to teach your
child number arithmetic mathematics - writing down sets and set logic equations is
part of the series of documents about fundamental
education at abelard.org. These pages are a sub-set
of sums
will set you free

how to teach a person number, arithmetic, mathematics
on teaching reading

truth tables for connectives
NOT

state
~ state (¬ )
state
~ state (¬ )
True [T]
False [F]
1
0
False [F]
True [T]
0
1

AND

AND truth tables (&
• )
state
state
and state
state
state
and state
True [T]
True [T]
True [T]
1
1
1
True [T]
False [F]
False [F]
1
0
0
False [F]
True [T]
False [F]
0
1
0
False [F]
False [F]
False [F]
0
0
0

OR (inclusive OR)

OR (inclusive
OR) truth tables (v )
state
state
or state
state
state
or state
True [T]
True [T]
True [T]
1
1
1
True [T]
False [F]
True [T]
1
0
1
False [F]
True [T]
True [T]
0
1
1
False [F]
False [F]
False [F]
0
0
0

XOR (EXCLUSIVE
OR)

XOR (exclusive OR) truth
tables
state
state
XOR state
state
state
XOR state
True [T]
True [T]
False [F]
1
1
0
True [T]
False [F]
True [T]
1
0
1
False [F]
True [T]
True [T]
0
1
1
False [F]
False [F]
False [F]
0
0
0

implication

truth table [implies]
a
b
a b
True [T]
True [T]
True [T]
True [T]
False [F]
False [F]
False [F]
True [T]
True [T]
False [F]
False [F]
True [T]

equivalence

truth table [equivalence]
a
b
a b
True [T]
True [T]
True [T]
True [T]
False [F]
False [F]
False [F]
True [T]
False [F]
False [F]
False [F]
True [T]