Coherence or coherent can refer to:

• Coherence (cognitive science), a property of mental/cognitive states
• Coherence (linguistics), what makes a text semantically meaningful
• Coherence (physics), a property of waves
• Quantum coherence
• Coherence time (communications systems), duration when a communication channel can be assumed to be constant.
• Coherence (software), a component of Parallels Desktop for Mac, the Windows virtualization software
• Coherence (music theory), a synonym for strict Rothenberg propriety in diatonic set theory
• Memory coherence, a concept in computer architecture
• Cache coherence
• Coherentism, an epistemological theory
• Coherent (company), a company specializing in equipment to make and measure coherent light
• Coherent (operating system), a UNIX clone operating system
• Coherent, an EU-funded research project to create a true 3-D display, the HoloVizio.

In mathematics:

• Coherent sheaf
• Coherence (statistics)
• Coherence (signal processing)
• Coherence (philosophical gambling strategy), a concept in Bayesian statistics

In philosophy

• Coherentism describes an epistemologic theory

[ See also

• Cohesion disambiguation page
• Coherency disambiguation page

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