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Machine Heart
Machine Heart
May 29, 2026 · Artificial Intelligence

How Meta’s AI Consumed 183 Billion Tokens to Build a Massive Lean Math Library

Meta’s ATLAS project uses the AutoformBot pipeline to automatically translate 26 undergraduate and graduate math textbooks into a Lean codebase of over 630,000 lines, consuming more than 183 billion tokens, while exposing coverage statistics, adversarial dynamics, and model‑level performance trade‑offs.

ATLASAutoformBotLean
0 likes · 11 min read
How Meta’s AI Consumed 183 Billion Tokens to Build a Massive Lean Math Library
SuanNi
SuanNi
Apr 22, 2026 · Information Security

How ClawLess Secures Autonomous AI Agents with Formal System‑Call Isolation

The ClawLess framework, developed by researchers from Southern University of Science and Technology and Hong Kong University of Science and Technology, combines formal security policies, physical sandboxing, user‑space kernels and BPF‑based system‑call interception to protect highly autonomous AI agents from rogue behavior and external attacks.

AI safetyBPFcontainer isolation
0 likes · 11 min read
How ClawLess Secures Autonomous AI Agents with Formal System‑Call Isolation
FunTester
FunTester
Apr 9, 2026 · Fundamentals

Why Passing Tests Aren’t Proof of Correctness: Dijkstra’s Insight & Modern Strategies

The article explains that a green test run only shows the absence of detected bugs under specific inputs, environments, and assumptions, explores the asymmetry between verification and falsification, discusses the test‑oracle problem, property‑based testing, formal verification, and proposes a risk‑calibrated testing approach.

DijkstraRisk Assessmentformal verification
0 likes · 17 min read
Why Passing Tests Aren’t Proof of Correctness: Dijkstra’s Insight & Modern Strategies
Meituan Technology Team
Meituan Technology Team
Apr 2, 2026 · Artificial Intelligence

Can AI Really Prove Math? Inside LongCat‑Flash‑Prover’s Breakthrough

LongCat‑Flash‑Prover, an open‑source AI model that decomposes theorem proving into auto‑formalization, sketching, and proving with tool‑integrated reasoning, achieves SOTA results on MiniF2F‑Test (97.1% with only 72 inference steps) and strong performance on MathOlympiad‑Bench and PutnamBench, demonstrating that AI can move from guessing answers to rigorous, verifiable mathematical proofs.

AI theorem provingLean4formal verification
0 likes · 14 min read
Can AI Really Prove Math? Inside LongCat‑Flash‑Prover’s Breakthrough
21CTO
21CTO
Mar 13, 2026 · Fundamentals

Tony Hoare: The Genius Behind Quicksort, Null References, and a Billion‑Dollar Error

Tony Hoare, Turing Award laureate and creator of Quicksort, introduced the null reference in 1965—a design later dubbed the “billion‑dollar mistake”—and spent his career advancing programming language theory, concurrency models, and formal verification, while his public apology in 2009 spurred a wave of safer language designs.

QuickSortSoftware SecurityTony Hoare
0 likes · 12 min read
Tony Hoare: The Genius Behind Quicksort, Null References, and a Billion‑Dollar Error
PaperAgent
PaperAgent
Mar 10, 2026 · Information Security

How Token‑Draining Attacks and Formal Defenses Threaten OpenClaw’s Skill Ecosystem

The article analyzes recent security research on OpenClaw, exposing large‑scale malicious Skill injections, a novel token‑exhaustion attack called Clawdrain, and the SkillFortify formal framework that achieves near‑perfect detection of malicious Skills while highlighting the limitations of heuristic scanners.

OpenClawSupply ChainToken Exhaustion
0 likes · 11 min read
How Token‑Draining Attacks and Formal Defenses Threaten OpenClaw’s Skill Ecosystem
Data Party THU
Data Party THU
Dec 11, 2025 · Artificial Intelligence

Why Symbolic AI Is Making a Comeback: From Logic Foundations to Modern Applications

This article traces the seventy‑year evolution of Symbolic AI, explains its core physical symbol system hypothesis, contrasts it with connectionist approaches, examines historic milestones such as the Logic Theorist, MYCIN and XCON, discusses the symbol‑grounding problem, and shows how modern neural‑symbolic systems are reviving its relevance in high‑stakes domains requiring accuracy, interpretability and safety.

AI historyExpert SystemsSymbolic AI
0 likes · 16 min read
Why Symbolic AI Is Making a Comeback: From Logic Foundations to Modern Applications
Open Source Linux
Open Source Linux
Dec 1, 2022 · Fundamentals

How NVIDIA Boosted Software Safety by Switching from C to SPARK

NVIDIA’s security team adopted the formally verified SPARK language, replacing C in safety‑critical components, and after a successful proof‑of‑concept demonstrated improved security, verification efficiency, and unchanged performance, leading to widespread internal adoption across many products.

AdaCoreC to SPARK migrationNVIDIA
0 likes · 4 min read
How NVIDIA Boosted Software Safety by Switching from C to SPARK
Alibaba Cloud Developer
Alibaba Cloud Developer
Oct 22, 2021 · Fundamentals

Why TLA+ Is the Secret Weapon for Verifying Distributed Systems

This article explains how TLA+ and its PlusCal language enable engineers to formally model, verify, and debug distributed and concurrent systems—covering theory, practical tooling, real‑world AWS case studies, and step‑by‑step examples that demonstrate its power for ensuring correctness.

Cloud ComputingPlusCalTLA+
0 likes · 11 min read
Why TLA+ Is the Secret Weapon for Verifying Distributed Systems
Architecture Digest
Architecture Digest
Mar 10, 2018 · Blockchain

Why Fully Automated Formal Verification of Smart Contracts Is Impossible

The article argues that automatic formal verification of Ethereum smart contracts using deep learning and Hoare Logic is fundamentally impossible because pre‑ and post‑conditions must be manually specified, and it further critiques the overall concept of smart contracts as an overengineered and unnecessary feature of blockchain systems.

BlockchainHoare logicdeep learning
0 likes · 12 min read
Why Fully Automated Formal Verification of Smart Contracts Is Impossible