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Unit 1 of 18
Foundations & Definitions
Precision before proof.
Every topic follows the curriculum standard
Learn→See→Try→Explain→Verify→Challenge→Transfer→Master
Topics in this unit
4 topics. Each card opens a full topic workspace and supports all eight learning actions.
Undefined Terms
Point, line, plane
Definitions & Notation
The vocabulary of rigor
Postulates & Axioms
Assumptions we accept
Three-pathway connections
Study this unit at three depths — current-grade mastery, advanced thinking, and competition mathematics.