# LINKS

[https://en.wikipedia.org/wiki/Logical\_connective](https://en.wikipedia.org/wiki/Logical_connective) [https://en.wikipedia.org/wiki/Logical\_constant](https://en.wikipedia.org/wiki/Logical_constant) [https://en.wikipedia.org/wiki/Paul\_Graham\_(programmer](https://en.wikipedia.org/wiki/Paul_Graham_\(programmer)) [https://en.wikipedia.org/wiki/Logical\_consequence](https://en.wikipedia.org/wiki/Logical_consequence) [https://en.wikipedia.org/wiki/Obversion](https://en.wikipedia.org/wiki/Obversion) [https://en.wikipedia.org/wiki/Material\_conditional](https://en.wikipedia.org/wiki/Material_conditional) [https://en.wikipedia.org/wiki/Conditional\_statement](https://en.wikipedia.org/wiki/Conditional_statement)

[https://www.csm.ornl.gov/\~sheldon/ds/](https://www.csm.ornl.gov/~sheldon/ds/)
