De Morgan

biographical name

De Mor·​gan di-ˈmȯr-gən How to pronounce De Morgan (audio)
William Frend 1839–1917 English artist and novelist

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demoralize
De Morgan
De Morgan's theorem
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“De Morgan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/De%20Morgan. Accessed 3 Nov. 2025.

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