Line 937: |
Line 937: |
| {| align="center" cellpadding="0" cellspacing="0" width="100%" | | {| align="center" cellpadding="0" cellspacing="0" width="100%" |
| |- style="height:48px; text-align:center" | | |- style="height:48px; text-align:center" |
− | | style="width:80%" | | + | | width="80%" | |
− | | style="width:20%" | <math>\operatorname{Rule~3}</math> | + | | width="20%" style="border-left:1px solid black" | <math>\operatorname{Rule~3}</math> |
| |} | | |} |
| |- | | |- |
Line 946: |
Line 946: |
| | width="2%" style="border-top:1px solid black" | | | | width="2%" style="border-top:1px solid black" | |
| | width="14%" style="border-top:1px solid black" | <math>\text{If}\!</math> | | | width="14%" style="border-top:1px solid black" | <math>\text{If}\!</math> |
− | | width="84%" style="border-top:1px solid black" | <math>Q ~\subseteq~ X</math> | + | | width="64%" style="border-top:1px solid black" | <math>Q ~\subseteq~ X</math> |
| + | | width="20%" style="border-top:1px solid black; border-left:1px solid black" | |
| |- style="height:48px" | | |- style="height:48px" |
| | | | | |
| | <math>\text{and}\!</math> | | | <math>\text{and}\!</math> |
| | <math>x ~\in~ X</math> | | | <math>x ~\in~ X</math> |
| + | | style="border-left:1px solid black" | |
| |- style="height:48px" | | |- style="height:48px" |
| | | | | |
| | <math>\text{then}\!</math> | | | <math>\text{then}\!</math> |
| | <math>\text{the following are equivalent:}\!</math> | | | <math>\text{the following are equivalent:}\!</math> |
| + | | style="border-left:1px solid black" | |
| |} | | |} |
| |- | | |- |