From 44b5ccaa72708e333a773210fe163cd07a55a7f4 Mon Sep 17 00:00:00 2001 From: KevinMDuarte Date: Sun, 25 Nov 2018 18:34:41 +0100 Subject: [PATCH] Update index.md by adding De Morgan's Law reference (#22360) * Update index.md Added De Morgan's Law reference * fixed links --- guide/english/logic/algebra-of-logic/index.md | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/guide/english/logic/algebra-of-logic/index.md b/guide/english/logic/algebra-of-logic/index.md index 36291db1bd..c372e75df6 100644 --- a/guide/english/logic/algebra-of-logic/index.md +++ b/guide/english/logic/algebra-of-logic/index.md @@ -21,9 +21,8 @@ The three basic operations in Boolean Algebra are `AND`, `OR`, and `NOT`. Consid The above statements are called "De Morgan's Laws." This is a very useful and important law in Boolean Algebra. - ### More Information: -- The Calculus of Logic: George Boole -- Boolean algebra article: Wikipedia -- Boolean Algebra Demonstration: Boolean Algebra - +- Boolean algebra article: [Wikipedia](https://en.wikipedia.org/wiki/Boolean_algebra) +- The Calculus of Logic: [George Boole](https://www.maths.tcd.ie/pub/HistMath/People/Boole/CalcLogic/CalcLogic.html) +- Boolean Algebra Demonstration: [Wolfram MathWorld](http://mathworld.wolfram.com/BooleanAlgebra.html) +- De Morgan's laws: [Wikipedia](https://en.wikipedia.org/wiki/De_Morgan%27s_laws)