Line 1,204: |
Line 1,204: |
| | <math>\text{Interpretation}\!</math> | | | <math>\text{Interpretation}\!</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus Node Big Fat.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>{}^{\backprime\backprime}\texttt{~}{}^{\prime\prime}</math> | | | <math>{}^{\backprime\backprime}\texttt{~}{}^{\prime\prime}</math> |
| | <math>\operatorname{true}.</math> | | | <math>\operatorname{true}.</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus Spike Big Fat.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(~)}</math> | | | <math>\texttt{(~)}</math> |
| | <math>\operatorname{false}.</math> | | | <math>\operatorname{false}.</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus A Big.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>a\!</math> | | | <math>a\!</math> |
| | <math>a.\!</math> | | | <math>a.\!</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A) Big.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a \texttt{)}</math> | | | <math>\texttt{(} a \texttt{)}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| \tilde{a} | | \tilde{a} |
− | \\[6pt] | + | \\[2pt] |
| a^\prime | | a^\prime |
− | \\[6pt] | + | \\[2pt] |
| \lnot a | | \lnot a |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{not}~ a. | | \operatorname{not}~ a. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus ABC Big.jpg|50px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>a~b~c</math> | | | <math>a~b~c</math> |
| | | | | |
Line 1,280: |
Line 1,238: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A)(B)(C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o o o |
| |
− | | \|/ |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a \texttt{)(} b \texttt{)(} c \texttt{))}</math> | | | <math>\texttt{((} a \texttt{)(} b \texttt{)(} c \texttt{))}</math> |
| | | | | |
Line 1,301: |
Line 1,247: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A(B)) Big.jpg|60px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b |
| |
− | | o---o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a \texttt{(} b \texttt{))}</math> | | | <math>\texttt{(} a \texttt{(} b \texttt{))}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a \Rightarrow b | | a \Rightarrow b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{implies}~ b. | | a ~\operatorname{implies}~ b. |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{if}~ a ~\operatorname{then}~ b. | | \operatorname{if}~ a ~\operatorname{then}~ b. |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{not}~ a ~\operatorname{without}~ b. | | \operatorname{not}~ a ~\operatorname{without}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A,B) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b |
| |
− | | o---o |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a, b \texttt{)}</math> | | | <math>\texttt{(} a, b \texttt{)}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a + b | | a + b |
− | \\[6pt] | + | \\[2pt] |
| a \neq b | | a \neq b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{exclusive-or}~ b. | | a ~\operatorname{exclusive-or}~ b. |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{not~equal~to}~ b. | | a ~\operatorname{not~equal~to}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A,B)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b |
| |
− | | o---o |
| |
− | | \ / |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a, b \texttt{))}</math> | | | <math>\texttt{((} a, b \texttt{))}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a = b | | a = b |
− | \\[6pt] | + | \\[2pt] |
| a \iff b | | a \iff b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{equals}~ b. | | a ~\operatorname{equals}~ b. |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{if~and~only~if}~ b. | | a ~\operatorname{if~and~only~if}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A,B,C) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a, b, c \texttt{)}</math> | | | <math>\texttt{(} a, b, c \texttt{)}</math> |
| | | | | |
Line 1,394: |
Line 1,297: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A),(B),(C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o o o |
| |
− | | | | | |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a \texttt{)}, \texttt{(} b \texttt{)}, \texttt{(} c \texttt{))}</math> | | | <math>\texttt{((} a \texttt{)}, \texttt{(} b \texttt{)}, \texttt{(} c \texttt{))}</math> |
| | | | | |
Line 1,418: |
Line 1,308: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus (A,(B),(C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | b c |
| |
− | | o o |
| |
− | | a | | |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a, \texttt{(} b \texttt{)}, \texttt{(} c \texttt{))}</math> | | | <math>\texttt{(} a, \texttt{(} b \texttt{)}, \texttt{(} c \texttt{))}</math> |
| | | | | |
Line 1,456: |
Line 1,333: |
| | <math>\text{Interpretation}\!</math> | | | <math>\text{Interpretation}\!</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus Node Big Fat.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>{}^{\backprime\backprime}\texttt{~}{}^{\prime\prime}</math> | | | <math>{}^{\backprime\backprime}\texttt{~}{}^{\prime\prime}</math> |
| | <math>\operatorname{false}.</math> | | | <math>\operatorname{false}.</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus Spike Big Fat.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(~)}</math> | | | <math>\texttt{(~)}</math> |
| | <math>\operatorname{true}.</math> | | | <math>\operatorname{true}.</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus A Big.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>a\!</math> | | | <math>a\!</math> |
| | <math>a.\!</math> | | | <math>a.\!</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A) Big.jpg|20px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a \texttt{)}</math> | | | <math>\texttt{(} a \texttt{)}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| \tilde{a} | | \tilde{a} |
− | \\[6pt] | + | \\[2pt] |
| a^\prime | | a^\prime |
− | \\[6pt] | + | \\[2pt] |
| \lnot a | | \lnot a |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{not}~ a. | | \operatorname{not}~ a. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="100px" | [[Image:Cactus ABC Big.jpg|50px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>a~b~c</math> | | | <math>a~b~c</math> |
| | | | | |
Line 1,532: |
Line 1,367: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A)(B)(C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o o o |
| |
− | | \|/ |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a \texttt{)(} b \texttt{)(} c \texttt{))}</math> | | | <math>\texttt{((} a \texttt{)(} b \texttt{)(} c \texttt{))}</math> |
| | | | | |
Line 1,553: |
Line 1,376: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A)B Big.jpg|35px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | o a |
| |
− | | | |
| |
− | | @ b |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a \texttt{)} b</math> | | | <math>\texttt{(} a \texttt{)} b</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a \Rightarrow b | | a \Rightarrow b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{implies}~ b. | | a ~\operatorname{implies}~ b. |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{if}~ a ~\operatorname{then}~ b. | | \operatorname{if}~ a ~\operatorname{then}~ b. |
− | \\[6pt] | + | \\[2pt] |
| \operatorname{not}~ a, ~\operatorname{or}~ b. | | \operatorname{not}~ a, ~\operatorname{or}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A,B) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b |
| |
− | | o---o |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a, b \texttt{)}</math> | | | <math>\texttt{(} a, b \texttt{)}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a = b | | a = b |
− | \\[6pt] | + | \\[2pt] |
| a \iff b | | a \iff b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{equals}~ b. | | a ~\operatorname{equals}~ b. |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{if~and~only~if}~ b. | | a ~\operatorname{if~and~only~if}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A,B)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b |
| |
− | | o---o |
| |
− | | \ / |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a, b \texttt{))}</math> | | | <math>\texttt{((} a, b \texttt{))}</math> |
| | | | | |
| <math>\begin{matrix} | | <math>\begin{matrix} |
| a + b | | a + b |
− | \\[6pt] | + | \\[2pt] |
| a \neq b | | a \neq b |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{exclusive-or}~ b. | | a ~\operatorname{exclusive-or}~ b. |
− | \\[6pt] | + | \\[2pt] |
| a ~\operatorname{not~equal~to}~ b. | | a ~\operatorname{not~equal~to}~ b. |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="120px" | [[Image:Cactus (A,B,C) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(} a, b, c \texttt{)}</math> | | | <math>\texttt{(} a, b, c \texttt{)}</math> |
| | | | | |
Line 1,645: |
Line 1,426: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="160px" | [[Image:Cactus ((A,B,C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a b c |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{((} a, b, c \texttt{))}</math> | | | <math>\texttt{((} a, b, c \texttt{))}</math> |
| | | | | |
Line 1,669: |
Line 1,437: |
| \end{matrix}</math> | | \end{matrix}</math> |
| |- | | |- |
− | | | + | | height="200px" | [[Image:Cactus (((A),B,C)) Big.jpg|70px]] |
− | <pre>
| |
− | o-------------------o
| |
− | | | | |
− | | a |
| |
− | | o |
| |
− | | | b c |
| |
− | | o--o--o |
| |
− | | \ / |
| |
− | | \ / |
| |
− | | o |
| |
− | | | |
| |
− | | @ |
| |
− | | |
| |
− | o-------------------o
| |
− | </pre>
| |
| | <math>\texttt{(((} a \texttt{)}, b, c \texttt{))}</math> | | | <math>\texttt{(((} a \texttt{)}, b, c \texttt{))}</math> |
| | | | | |