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Line 3,850: |
| ====Note 6==== | | ====Note 6==== |
| | | |
− | <pre>
| + | To broaden our experience with simple examples, let us now contemplate the sixteen functions of concrete type <math>X \times Y \to \mathbb{B}</math> and abstract type <math>\mathbb{B} \times \mathbb{B} \to \mathbb{B}.</math> For future reference, I will set here a few Tables that detail the actions of <math>\operatorname{E}</math> and <math>\operatorname{D}</math> and on each of these functions, allowing us to view the results in several different ways. |
− | To broaden our experience with simple examples, let us now contemplate the | + | |
− | sixteen functions of concrete type X x Y -> B and abstract type B x B -> B. | + | By way of initial orientation, Table 0 lists equivalent expressions for the sixteen functions in a number of different languages for zeroth order logic. |
− | For future reference, I will set here a few tables that detail the actions | + | |
− | of E and D and on each of these functions, allowing us to view the results | + | <br> |
− | in several different ways. | |
| | | |
− | By way of initial orientation, Table 0 lists equivalent expressions for the
| + | {| align="center" border="1" cellpadding="8" cellspacing="0" style="background:#f8f8ff; text-align:center; width:90%" |
− | sixteen functions in a number of different languages for zeroth order logic.
| + | |+ <math>\text{Table 0.}~~\text{Propositional Forms on Two Variables}</math> |
| + | |- style="background:#e6e6ff" |
| + | | style="width:15%" | |
| + | <p><math>\mathcal{L}_1</math></p> |
| + | <p><math>\text{Decimal}</math></p> |
| + | | style="width:15%" | |
| + | <p><math>\mathcal{L}_2</math></p> |
| + | <p><math>\text{Binary}</math></p> |
| + | | style="width:15%" | |
| + | <p><math>\mathcal{L}_3</math></p> |
| + | <p><math>\text{Vector}</math></p> |
| + | | style="width:15%" | |
| + | <p><math>\mathcal{L}_4</math></p> |
| + | <p><math>\text{Cactus}</math></p> |
| + | | style="width:25%" | |
| + | <p><math>\mathcal{L}_5</math></p> |
| + | <p><math>\text{English}</math></p> |
| + | | style="width:15%" | |
| + | <p><math>\mathcal{L}_6</math></p> |
| + | <p><math>\text{Ordinary}</math></p> |
| + | |- style="background:#f0f0ff" |
| + | | |
| + | | align="right" | <math>x\colon\!</math> |
| + | | <math>1~1~0~0\!</math> |
| + | | |
| + | | |
| + | | |
| + | |- |
| + | |- style="background:#f0f0ff" |
| + | | |
| + | | align="right" | <math>y\colon\!</math> |
| + | | <math>1~0~1~0\!</math> |
| + | | |
| + | | |
| + | | |
| + | |- |
| + | | <math>f_{0}\!</math> |
| + | | <math>f_{0000}\!</math> |
| + | | <math>0~0~0~0\!</math> |
| + | | <math>(~)\!</math> |
| + | | <math>\text{false}\!</math> |
| + | | <math>0\!</math> |
| + | |- |
| + | | <math>f_{1}\!</math> |
| + | | <math>f_{0001}\!</math> |
| + | | <math>0~0~0~1\!</math> |
| + | | <math>(x)(y)\!</math> |
| + | | <math>\text{neither}~ x ~\text{nor}~ y\!</math> |
| + | | <math>\lnot x \land \lnot y\!</math> |
| + | |- |
| + | | <math>f_{2}\!</math> |
| + | | <math>f_{0010}\!</math> |
| + | | <math>0~0~1~0\!</math> |
| + | | <math>(x)~y\!</math> |
| + | | <math>y ~\text{without}~ x\!</math> |
| + | | <math>\lnot x \land y\!</math> |
| + | |- |
| + | | <math>f_{3}\!</math> |
| + | | <math>f_{0011}\!</math> |
| + | | <math>0~0~1~1\!</math> |
| + | | <math>(x)\!</math> |
| + | | <math>\text{not}~ x\!</math> |
| + | | <math>\lnot x\!</math> |
| + | |- |
| + | | <math>f_{4}\!</math> |
| + | | <math>f_{0100}\!</math> |
| + | | <math>0~1~0~0\!</math> |
| + | | <math>x~(y)\!</math> |
| + | | <math>x ~\text{without}~ y\!</math> |
| + | | <math>x \land \lnot y\!</math> |
| + | |- |
| + | | <math>f_{5}\!</math> |
| + | | <math>f_{0101}\!</math> |
| + | | <math>0~1~0~1\!</math> |
| + | | <math>(y)\!</math> |
| + | | <math>\text{not}~ y\!</math> |
| + | | <math>\lnot y\!</math> |
| + | |- |
| + | | <math>f_{6}\!</math> |
| + | | <math>f_{0110}\!</math> |
| + | | <math>0~1~1~0\!</math> |
| + | | <math>(x,~y)\!</math> |
| + | | <math>x ~\text{not equal to}~ y\!</math> |
| + | | <math>x \ne y\!</math> |
| + | |- |
| + | | <math>f_{7}\!</math> |
| + | | <math>f_{0111}\!</math> |
| + | | <math>0~1~1~1\!</math> |
| + | | <math>(x~y)\!</math> |
| + | | <math>\text{not both}~ x ~\text{and}~ y\!</math> |
| + | | <math>\lnot x \lor \lnot y\!</math> |
| + | |- |
| + | | <math>f_{8}\!</math> |
| + | | <math>f_{1000}\!</math> |
| + | | <math>1~0~0~0\!</math> |
| + | | <math>x~y\!</math> |
| + | | <math>x ~\text{and}~ y\!</math> |
| + | | <math>x \land y\!</math> |
| + | |- |
| + | | <math>f_{9}\!</math> |
| + | | <math>f_{1001}\!</math> |
| + | | <math>1~0~0~1\!</math> |
| + | | <math>((x,~y))\!</math> |
| + | | <math>x ~\text{equal to}~ y\!</math> |
| + | | <math>x = y\!</math> |
| + | |- |
| + | | <math>f_{10}\!</math> |
| + | | <math>f_{1010}\!</math> |
| + | | <math>1~0~1~0\!</math> |
| + | | <math>y\!</math> |
| + | | <math>y\!</math> |
| + | | <math>y\!</math> |
| + | |- |
| + | | <math>f_{11}\!</math> |
| + | | <math>f_{1011}\!</math> |
| + | | <math>1~0~1~1\!</math> |
| + | | <math>(x~(y))\!</math> |
| + | | <math>\text{not}~ x ~\text{without}~ y\!</math> |
| + | | <math>x \Rightarrow y\!</math> |
| + | |- |
| + | | <math>f_{12}\!</math> |
| + | | <math>f_{1100}\!</math> |
| + | | <math>1~1~0~0\!</math> |
| + | | <math>x\!</math> |
| + | | <math>x\!</math> |
| + | | <math>x\!</math> |
| + | |- |
| + | | <math>f_{13}\!</math> |
| + | | <math>f_{1101}\!</math> |
| + | | <math>1~1~0~1\!</math> |
| + | | <math>((x)~y)\!</math> |
| + | | <math>\text{not}~ y ~\text{without}~ x\!</math> |
| + | | <math>x \Leftarrow y\!</math> |
| + | |- |
| + | | <math>f_{14}\!</math> |
| + | | <math>f_{1110}\!</math> |
| + | | <math>1~1~1~0\!</math> |
| + | | <math>((x)(y))\!</math> |
| + | | <math>x ~\text{or}~ y\!</math> |
| + | | <math>x \lor y\!</math> |
| + | |- |
| + | | <math>f_{15}\!</math> |
| + | | <math>f_{1111}\!</math> |
| + | | <math>1~1~1~1\!</math> |
| + | | <math>((~))\!</math> |
| + | | <math>\text{true}\!</math> |
| + | | <math>1\!</math> |
| + | |} |
| | | |
− | Table 0. Propositional Forms On Two Variables
| + | <br> |
− | o---------o---------o---------o----------o------------------o----------o
| |
− | | L_1 | L_2 | L_3 | L_4 | L_5 | L_6 |
| |
− | | | | | | | |
| |
− | | Decimal | Binary | Vector | Cactus | English | Vulgate |
| |
− | o---------o---------o---------o----------o------------------o----------o
| |
− | | | x = 1 1 0 0 | | | |
| |
− | | | y = 1 0 1 0 | | | |
| |
− | o---------o---------o---------o----------o------------------o----------o
| |
− | | | | | | | |
| |
− | | f_0 | f_0000 | 0 0 0 0 | () | false | 0 |
| |
− | | | | | | | |
| |
− | | f_1 | f_0001 | 0 0 0 1 | (x)(y) | neither x nor y | ~x & ~y |
| |
− | | | | | | | |
| |
− | | f_2 | f_0010 | 0 0 1 0 | (x) y | y and not x | ~x & y |
| |
− | | | | | | | |
| |
− | | f_3 | f_0011 | 0 0 1 1 | (x) | not x | ~x |
| |
− | | | | | | | |
| |
− | | f_4 | f_0100 | 0 1 0 0 | x (y) | x and not y | x & ~y |
| |
− | | | | | | | |
| |
− | | f_5 | f_0101 | 0 1 0 1 | (y) | not y | ~y |
| |
− | | | | | | | |
| |
− | | f_6 | f_0110 | 0 1 1 0 | (x, y) | x not equal to y | x + y |
| |
− | | | | | | | |
| |
− | | f_7 | f_0111 | 0 1 1 1 | (x y) | not both x and y | ~x v ~y |
| |
− | | | | | | | |
| |
− | | f_8 | f_1000 | 1 0 0 0 | x y | x and y | x & y |
| |
− | | | | | | | |
| |
− | | f_9 | f_1001 | 1 0 0 1 | ((x, y)) | x equal to y | x = y |
| |
− | | | | | | | |
| |
− | | f_10 | f_1010 | 1 0 1 0 | y | y | y |
| |
− | | | | | | | |
| |
− | | f_11 | f_1011 | 1 0 1 1 | (x (y)) | not x without y | x => y |
| |
− | | | | | | | |
| |
− | | f_12 | f_1100 | 1 1 0 0 | x | x | x |
| |
− | | | | | | | |
| |
− | | f_13 | f_1101 | 1 1 0 1 | ((x) y) | not y without x | x <= y |
| |
− | | | | | | | |
| |
− | | f_14 | f_1110 | 1 1 1 0 | ((x)(y)) | x or y | x v y |
| |
− | | | | | | | |
| |
− | | f_15 | f_1111 | 1 1 1 1 | (()) | true | 1 |
| |
− | | | | | | | |
| |
− | o---------o---------o---------o----------o------------------o----------o
| |
| | | |
| + | <pre> |
| The next four Tables expand the expressions of Ef and Df | | The next four Tables expand the expressions of Ef and Df |
| in two different ways, for each of the sixteen functions. | | in two different ways, for each of the sixteen functions. |