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| | | |
| ===Variant 2=== | | ===Variant 2=== |
| + | |
| + | {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" |
| + | |+ '''Table 1. Propositional Forms on Two Variables''' |
| + | |- style="background:ghostwhite" |
| + | | <math>\mathcal{L}_1</math> |
| + | | <math>\mathcal{L}_2</math> |
| + | | <math>\mathcal{L}_3</math> |
| + | | <math>\mathcal{L}_4</math> |
| + | | <math>\mathcal{L}_5</math> |
| + | | <math>\mathcal{L}_6</math> |
| + | |- style="background:ghostwhite" |
| + | | |
| + | | align="right" | <math>x\!</math> : |
| + | | 1 1 0 0 |
| + | | |
| + | | |
| + | | |
| + | |- style="background:ghostwhite" |
| + | | |
| + | | align="right" | <math>y\!</math> : |
| + | | 1 0 1 0 |
| + | | |
| + | | |
| + | | |
| + | |- |
| + | | <math>f_{0}\!</math> |
| + | | <math>f_{0000}\!</math> |
| + | | 0 0 0 0 |
| + | | <math>(~)\!</math> |
| + | | false |
| + | | <math>0\!</math> |
| + | |- |
| + | | <math>f_{1}\!</math> |
| + | | <math>f_{0001}\!</math> |
| + | | 0 0 0 1 |
| + | | <math>(x)(y)\!</math> |
| + | | neither x nor y |
| + | | <math>\lnot x \land \lnot y\!</math> |
| + | |- |
| + | | <math>f_{2}\!</math> |
| + | | <math>f_{0010}\!</math> |
| + | | 0 0 1 0 |
| + | | <math>(x)\ y\!</math> |
| + | | y and not x |
| + | | <math>\lnot x \land y\!</math> |
| + | |- |
| + | | <math>f_{3}\!</math> |
| + | | <math>f_{0011}\!</math> |
| + | | 0 0 1 1 |
| + | | <math>(x)\!</math> |
| + | | not x |
| + | | <math>\lnot x\!</math> |
| + | |- |
| + | | <math>f_{4}\!</math> |
| + | | <math>f_{0100}\!</math> |
| + | | 0 1 0 0 |
| + | | <math>x\ (y)\!</math> |
| + | | x and not y |
| + | | <math>x \land \lnot y\!</math> |
| + | |- |
| + | | <math>f_{5}\!</math> |
| + | | <math>f_{0101}\!</math> |
| + | | 0 1 0 1 |
| + | | <math>(y)\!</math> |
| + | | not y |
| + | | <math>\lnot y\!</math> |
| + | |- |
| + | | <math>f_{6}\!</math> |
| + | | <math>f_{0110}\!</math> |
| + | | 0 1 1 0 |
| + | | <math>(x,\ y)\!</math> |
| + | | x not equal to y |
| + | | <math>x \ne y\!</math> |
| + | |- |
| + | | <math>f_{7}\!</math> |
| + | | <math>f_{0111}\!</math> |
| + | | 0 1 1 1 |
| + | | <math>(x\ y)\!</math> |
| + | | not both x and y |
| + | | <math>\lnot x \lor \lnot y\!</math> |
| + | |- |
| + | | <math>f_{8}\!</math> |
| + | | <math>f_{1000}\!</math> |
| + | | 1 0 0 0 |
| + | | <math>x\ y\!</math> |
| + | | x and y |
| + | | <math>x \land y\!</math> |
| + | |- |
| + | | <math>f_{9}\!</math> |
| + | | <math>f_{1001}\!</math> |
| + | | 1 0 0 1 |
| + | | <math>((x,\ y))\!</math> |
| + | | x equal to y |
| + | | <math>x = y\!</math> |
| + | |- |
| + | | <math>f_{10}\!</math> |
| + | | <math>f_{1010}\!</math> |
| + | | 1 0 1 0 |
| + | | <math>y\!</math> |
| + | | y |
| + | | <math>y\!</math> |
| + | |- |
| + | | <math>f_{11}\!</math> |
| + | | <math>f_{1011}\!</math> |
| + | | 1 0 1 1 |
| + | | <math>(x\ (y))\!</math> |
| + | | not x without y |
| + | | <math>x \Rightarrow y\!</math> |
| + | |- |
| + | | <math>f_{12}\!</math> |
| + | | <math>f_{1100}\!</math> |
| + | | 1 1 0 0 |
| + | | <math>x\!</math> |
| + | | x |
| + | | <math>x\!</math> |
| + | |- |
| + | | <math>f_{13}\!</math> |
| + | | <math>f_{1101}\!</math> |
| + | | 1 1 0 1 |
| + | | <math>((x)\ y)\!</math> |
| + | | not y without x |
| + | | <math>x \Leftarrow y\!</math> |
| + | |- |
| + | | <math>f_{14}\!</math> |
| + | | <math>f_{1110}\!</math> |
| + | | 1 1 1 0 |
| + | | <math>((x)(y))\!</math> |
| + | | x or y |
| + | | <math>x \lor y\!</math> |
| + | |- |
| + | | <math>f_{15}\!</math> |
| + | | <math>f_{1111}\!</math> |
| + | | 1 1 1 1 |
| + | | <math>((~))\!</math> |
| + | | true |
| + | | <math>1\!</math> |
| + | |} |
| + | <br> |
| + | |
| + | ===Variant 3=== |
| | | |
| {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" | | {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" |
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| <br> | | <br> |
| | | |
− | ===Variant 3=== | + | ===Variant 4=== |
| | | |
| {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" | | {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" |
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| <br> | | <br> |
| | | |
− | ===Variant 4=== | + | ===Variant 5=== |
| | | |
| {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" | | {| align="center" border="1" cellpadding="4" cellspacing="0" style="font-weight:bold; text-align:center; width:96%" |