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AND/OR TRUTH TABLE.

656822Oct 6 2009 — edited Oct 7 2009

Is there any explanation for why
1) TRUE AND NULL = NULL
2) FALSE AND NULL = FALSE
3) TRUE OR NULL = TRUE
4) FALSE OR NULL = NULL

Thank you,
Narendra

This post has been answered by Toon Koppelaars on Oct 6 2009

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Added on Oct 6 2009

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