A phrase indicating that something is founded upon, derived from, or uses something else as its foundation or source.
From 'base' via Old French bas, from Latin basis (foundation). The prepositional phrase 'based on' became standard for indicating the foundation or source material for conclusions, decisions, or creations.
This phrase is the linguistic equivalent of showing your work in mathematics - it reveals the foundation beneath your conclusions. In our information-rich world, 'based on' has become essential for credibility, transforming opinions into evidence-supported statements.
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