About this app
Predicate Logic Foundations is an independent study app for learners who want structured practice in formal reasoning, quantifiers, inference, models, and proofs. Built for beginners, students, self-learners, and anyone reviewing predicate logic concepts, the app turns 160 questions into focused daily practice across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. - FSRS spaced-repetition intervals to review at the right time - Weak-point heatmap to spot topics that need attention - Daily challenge for consistent progress - Mock exams for timed review - Explanations for every question - Offline practice with no login required Practice offline, no login required. Your study flow stays simple and private. Independent study app for Predicate Logic Foundations practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 15, 2026 · 1:24 PM Free