epdf.pub_the-nuts-and-bolts-of-proofs-third-edition-an-intr

A Guide to Selecting a Method of Proof
NO
As the statement may be true,
we should try to prove it.
Does the statement have a
If A is used as a starting point,
is it possible to show that
B will have to be true?
Find the kind of special construction
1
"There exists a
unique...?" If so
use th; existence
and the uniqueness
techniques
are equivalent"?
If so, use the equivalence
Remember
implications.
imDlication
formula
that is
supposed
to be true
for a large
set of natural
numbers? If
so, use
induction
Are there
numbers
that are
supposed
to be equal?
If so, use
equalities
of numbers.
Are there
sets that
ire supposed
to be equal?
If so, use
equality Of
sets.
Does the
Statement
have more
than One
hypothesis
and/or
conclusion?
If so, use
composite
statements.
End of the proof