Question 626898
<TABLE BORDER=1>
<TR>
  <TD>p</TD>
  <TD>q</TD>
  <TD>~q</TD>
  <TD>p V ~q</TD>
  <TD>(p V ~q) &#8596; p</TD>
</TR>
<TR>
  <TD>T</TD>
  <TD>T</TD>
  <TD>F</TD>
  <TD>T</TD>
  <TD>T</TD>
</TR>
<TR>
  <TD>T</TD>
  <TD>F</TD>
  <TD>T</TD>
  <TD>T</TD>
  <TD>T</TD>
</TR>
<TR>
  <TD>F</TD>
  <TD>T</TD>
  <TD>F</TD>
  <TD>F</TD>
  <TD>T</TD>
</TR>
<TR>
  <TD>F</TD>
  <TD>F</TD>
  <TD>T</TD>
  <TD>T</TD>
  <TD>F</TD>
</TR>
</TABLE>


Notes: 

p V q is only false if both p and q are false. 

~p is the opposite of p

p &#8596; q is true if p and q have the same truth values



Let me know if this makes sense and/or if this helps. Thanks.


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