Definition of

# And

In logic "and" means that two things must both be true for the statement to be true.

Only one or the other is not enough.

Example:

When A is true and B is true then

When A is false and B is true then

When A is true and B is false then

When A is false and B is false then

Example: can we buy chocolate at the shop?

• does the shop have chocolate?

• do we have money?

If they

If they

If they

If they

Only one or the other is not enough.

Example:

When A is true and B is true then

**A and B**is trueWhen A is false and B is true then

**A and B**is falseWhen A is true and B is false then

**A and B**is falseWhen A is false and B is false then

**A and B**is falseExample: can we buy chocolate at the shop?

• does the shop have chocolate?

• do we have money?

If they

**do**have chocolate and we**do**have money the result is**true**.If they

**do not**have chocolate and we**do**have money the result is**false**.If they

**do**have chocolate and we**do not**have money the result is**false**.If they

**do not**have chocolate and we**do not**have money the result is**false**.See: Or

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