I will visit my aunt or my friend.
I will visit my aunt.
Therefore, I will not visit my friend.
The part of DeMorgan's Law that is equivalent to
not p OR not q
All, each, every, no, none, some, there exists, at least one
Compound statement that is always true.
Sentence that can be determined to be true or false.
I will buy a new vehicle or I will go on vacation.
I did not buy a new vehicle.
Therefore, I will go on vacation.
For the conditional
if p then q,
the statement
if not q then not p
is known as the __________
The part of DeMorgan's Law
that is equivalent to
not p and not q
The "OR" connective.
Only false when all the simple statements are false.
Two statements that have the same truth values for all combinations of the simple statements.
A compound statement that is always false.
Down
If p then q
q is necessary for p
p is sufficient for q
p only if q
q, if p
The connective:
p if and only if q
Only evaluates to TRUE if p and q have the same logical value
For the conditional:
if p then q
the statement
if q then p is known as the __________
An invalid argument; an error in reasoning that leads to an invalid argument
This is equivalent to
p AND not q
For the conditional:
If p then q
The statement
If not p then not q is known as the ___________.
The connective
If p then q
Only evaluates to FALSE
when p is TRUE and q is FALSE
The AND connective:
Only evaluates to TRUE
if all simple statements are true.
WORD LIST:
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This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
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