Changes

Line 2,420: Line 2,420:     
===Definition 7===
 
===Definition 7===
  −
<pre>
  −
Definition 7
  −
  −
If S, T are sentences
  −
about things in the universe U,
  −
  −
then the following are equivalent:
  −
  −
D7a. S <=> T.
  −
  −
D7b. [S] = [T].
  −
</pre>
  −
  −
<br>
      
{| align="center" cellpadding="0" cellspacing="0" style="border-left:1px solid black; border-top:1px solid black; border-right:1px solid black; border-bottom:1px solid black" width="90%"
 
{| align="center" cellpadding="0" cellspacing="0" style="border-left:1px solid black; border-top:1px solid black; border-right:1px solid black; border-bottom:1px solid black" width="90%"
12,089

edits