Introduction to Type Systems and Typed Lambda Calculus — PickAClass
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⏱ 3h 📚 30 lessons

Introduction to Type Systems and Typed Lambda Calculus

Master the formal foundations behind functional languages like Haskell and OCaml through clear, step-by-step written explanations.

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About this course

Demystify the mathematical foundations of modern functional programming. This text-based course guides you through the core theory of typed lambda calculus, the engine behind robust type systems in languages like Haskell, OCaml, and F#. You will transition from writing basic expressions to understanding how compilers verify program correctness. What you'll learn: Understand the foundational mechanics of untyped and typed lambda calculus; Learn the principles of type safety, progress, and preservation; Explore how type inference algorithms automatically determine types; Discover the Curry-Howard isomorphism and its connection to logic; Analyze modern type system features like generics and basic dependent types. This course begins with essential definitions of terms and types, gradually building up to type checker design through clear explanations and written practice problems. Designed for developers curious about functional programming theory, this course requires no prior background in advanced mathematics. Start reading today to master the science of type systems.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    3h of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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has successfully demonstrated mastery of
Introduction to Type Systems and Typed Lambda Calculus
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Decision-architecture frameworks
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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