Question 192750
p: It is raining
q: We will close the window



Symbolic Form:


p -> q
q
-------
therefore p


Truth Table:

<table border="1" cellpadding="5"><tr><td>p</td><td>q</td><td><font color="red">p -> q</font></td><td><font color="red">q</font></td><td><font color="blue">p</font></td></tr><tr><td>T</td><td>T</td><td><font color="red">T</font></td><td><font color="red">T</font></td><td><font color="blue">T</font></td></tr><tr><td>T</td><td>F</td><td><font color="red">F</font></td><td><font color="red">F</font></td><td><font color="blue">T</font></td></tr><tr><td>F</td><td>T</td><td><font color="red">T</font></td><td><font color="red">T</font></td><td><font color="blue">F</font></td></tr><tr><td>F</td><td>F</td><td><font color="red">T</font></td><td><font color="red">F</font></td><td><font color="blue">F</font></td></tr></table>


premises - red, conclusion - blue


Look at line 3 in table: all true premises but false conclusion


Answer: argument is invalid