Supported by the following organizations
This is to certify that Barbara Williams successfully completed and received a passing grade in Argue_v1: Structure and Function of Argument: Introduction to Critical Thinking a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Edward Hall
Norman E. Vuilleumier Professor of Philosophy Harvard University
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- Verified Certificate Issued July 22, 2026
- Valid Certificate ID 1f6b89554a024782a086a2ef3d6b7c54