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World Solve

A project of Team Humans Club
1355 problems catalogued
7 humans registered

What World Solve is

World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

For builders Skip the search for a problem worth your time. Browse a vetted, growing list and start where the gap is real.
For entrepreneurs Every entry is a potential venture thesis — named early, explained plainly, ready to validate.
For researchers Cite any entry directly, track global needs by region, or pull the full dataset via the public API.
1355 total logged
1355 still open
0 marked solved
7 registered profiles

We don't know whether every finite set of numbers with a specific property must always contain a smaller subset sharing an even stronger version of that property.

open Global / Unspecified, Global

Additive combinatorics explores these kinds of guaranteed substructure questions extensively, but many specific cases remain without a fully general proof. This continues to be an active and evolving research area.

property specific know whether every mathematics-logic
WS01322 · Logged by The Internet (field_notes) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01322 Title: We don't know whether every finite set of numbers with a specific property must always contain a smaller subset sharing an even stronger version of that property. URL: https://worldsolve.org/index.php?api=problem&id=1322

We still haven't proven whether it's possible to construct a truly complete mathematical model that predicts every possible outcome of any well-defined game of chance.

open Global / Unspecified, Global

Probability theory offers strong predictive tools for many games, but a fully complete and general model covering every conceivable game of chance remains theoretically unresolved. This touches both pure mathematics and the philosophy of randomness.

possible complete model every game mathematics-logic
WS01323 · Logged by The Internet (the_lurker) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01323 Title: We still haven't proven whether it's possible to construct a truly complete mathematical model that predicts every possible outcome of any well-defined game of chance. URL: https://worldsolve.org/index.php?api=problem&id=1323

We haven't determined whether every possible infinite fractal pattern can be fully described using a finite set of simple generating rules.

open Global / Unspecified, Global

Many famous fractals are built from simple recursive rules, but whether every possible fractal pattern can always be reduced to such a finite description remains an open mathematical question. This connects geometry, computer science, and the study of natural patterns.

whether every possible fractal pattern mathematics-logic
WS01324 · Logged by The Internet (offline_mode) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01324 Title: We haven't determined whether every possible infinite fractal pattern can be fully described using a finite set of simple generating rules. URL: https://worldsolve.org/index.php?api=problem&id=1324

We don't know whether it's possible to guarantee a stable, fair outcome for every possible matching problem involving more than two groups with competing preferences.

open Global / Unspecified, Global

Stable matching theory has strong results for two-sided markets, but extending guaranteed stability to three or more interacting groups remains only partially resolved. This unresolved area has real implications for markets, scheduling, and resource allocation.

possible stable matching two groups mathematics-logic
WS01325 · Logged by The Internet (paper_trail) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01325 Title: We don't know whether it's possible to guarantee a stable, fair outcome for every possible matching problem involving more than two groups with competing preferences. URL: https://worldsolve.org/index.php?api=problem&id=1325

We still haven't resolved whether every mathematical proof that relies on assuming something is true, then finding a contradiction, can always be converted into a more direct proof.

open Global / Unspecified, Global

Proof by contradiction is a powerful and common technique, but whether every such proof has an equivalent direct version remains an open question in mathematical logic. This unresolved tension touches on deep questions about the nature of mathematical reasoning itself.

proof mathematical whether every contradiction mathematics-logic
WS01326 · Logged by The Internet (offline_mode) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01326 Title: We still haven't resolved whether every mathematical proof that relies on assuming something is true, then finding a contradiction, can always be converted into a more direct proof. URL: https://worldsolve.org/index.php?api=problem&id=1326

We haven't proven whether it's possible to fully determine, using a finite number of steps, whether any given mathematical pattern will repeat forever or never repeat at all.

open Global / Unspecified, Global

Some sequences defy simple prediction of long-term periodicity, and a fully general and efficient method for determining this in every possible case remains unresolved. This connects number theory with computability theory.

whether repeat possible fully number mathematics-logic
WS01327 · Logged by The Internet (seaglass) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01327 Title: We haven't proven whether it's possible to fully determine, using a finite number of steps, whether any given mathematical pattern will repeat forever or never repeat at all. URL: https://worldsolve.org/index.php?api=problem&id=1327

We still haven't determined whether it's possible to construct a complete and consistent mathematical framework that fully unifies discrete and continuous mathematics.

open Global / Unspecified, Global

Discrete mathematics, dealing with countable structures, and continuous mathematics, dealing with smooth changes, sometimes resist clean translation between one another, and a fully unifying framework remains an unresolved and ambitious mathematical goal. This touches the deepest foundations of how mathematics is structured.

mathematics mathematical framework fully discrete mathematics-logic
WS01328 · Logged by The Internet (gray_matter) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01328 Title: We still haven't determined whether it's possible to construct a complete and consistent mathematical framework that fully unifies discrete and continuous mathematics. URL: https://worldsolve.org/index.php?api=problem&id=1328

We don't know whether it's possible to guarantee an efficient method for solving every possible puzzle in the broad family of constraint satisfaction problems.

open Global / Unspecified, Global

Some constraint puzzles, like certain scheduling or coloring problems, can be solved efficiently under specific conditions, but a fully general and efficient method covering every possible case remains unresolved. This unresolved question is central to both mathematics and artificial intelligence.

possible efficient method every constraint mathematics-logic
WS01329 · Logged by The Internet (stray_thought) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01329 Title: We don't know whether it's possible to guarantee an efficient method for solving every possible puzzle in the broad family of constraint satisfaction problems. URL: https://worldsolve.org/index.php?api=problem&id=1329

We still haven't proven whether every mathematical theorem that holds true for small cases must eventually reveal a counterexample as numbers grow arbitrarily large.

open Global / Unspecified, Global

History has shown some conjectures hold for enormous ranges before finally failing, raising the unresolved question of how confidently mathematicians can ever trust patterns observed only in finite testing. This shapes ongoing debates about the reliability of computational evidence in mathematics.

haven proven whether every mathematical mathematics-logic
WS01330 · Logged by The Internet (insomniac_reader) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01330 Title: We still haven't proven whether every mathematical theorem that holds true for small cases must eventually reveal a counterexample as numbers grow arbitrarily large. URL: https://worldsolve.org/index.php?api=problem&id=1330

We haven't determined whether it's possible to construct a fully general method for finding the exact number of solutions to any given system of polynomial equations.

open Global / Unspecified, Global

Specific techniques exist for counting solutions in many cases, but a complete and general method covering every possible polynomial system remains an unresolved goal in algebraic geometry. This continues to be an active area of mathematical research.

possible general method solutions system mathematics-logic
WS01331 · Logged by The Internet (citizen_of_earth) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01331 Title: We haven't determined whether it's possible to construct a fully general method for finding the exact number of solutions to any given system of polynomial equations. URL: https://worldsolve.org/index.php?api=problem&id=1331

We don't know whether every possible infinite mathematical process that appears chaotic must eventually reveal some form of underlying predictable order.

open Global / Unspecified, Global

Chaos theory has revealed hidden order within some seemingly random systems, but whether this holds true for every possible chaotic process remains an open and unresolved question. This connects mathematics with physics, biology, and the philosophy of determinism.

whether every possible process chaotic mathematics-logic
WS01332 · Logged by The Internet (wiki_reader) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01332 Title: We don't know whether every possible infinite mathematical process that appears chaotic must eventually reveal some form of underlying predictable order. URL: https://worldsolve.org/index.php?api=problem&id=1332

We still haven't resolved whether it's possible to fully classify every mathematical structure that behaves consistently under an infinite number of transformations.

open Global / Unspecified, Global

Symmetry groups have been classified extensively for finite cases, but infinite symmetry structures present ongoing classification challenges that remain incompletely resolved. This shapes foundational research in both algebra and geometry.

resolved infinite haven whether possible mathematics-logic
WS01333 · Logged by The Internet (open_thinker) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01333 Title: We still haven't resolved whether it's possible to fully classify every mathematical structure that behaves consistently under an infinite number of transformations. URL: https://worldsolve.org/index.php?api=problem&id=1333

We haven't proven whether every sufficiently large number has a unique way of being broken down into its most fundamental multiplicative building blocks.

open Global / Unspecified, Global

While unique prime factorization is proven for standard whole numbers, extending and confirming similar uniqueness properties across various generalized number systems remains an unresolved area. This continues to shape research in algebraic number theory.

number proven unique haven whether mathematics-logic
WS01334 · Logged by The Internet (null_pointer) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01334 Title: We haven't proven whether every sufficiently large number has a unique way of being broken down into its most fundamental multiplicative building blocks. URL: https://worldsolve.org/index.php?api=problem&id=1334

We don't know whether it's possible to guarantee that any sufficiently complex mathematical model of a real-world system will always eventually reach a predictable, stable state.

open Global / Unspecified, Global

Some models settle into stability under specific conditions, but a fully general guarantee covering every possible complex real-world system remains an unresolved and actively studied question. This touches applied mathematics, physics, and systems theory broadly.

possible guarantee complex real world mathematics-logic
WS01335 · Logged by The Internet (hello_world) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01335 Title: We don't know whether it's possible to guarantee that any sufficiently complex mathematical model of a real-world system will always eventually reach a predictable, stable state. URL: https://worldsolve.org/index.php?api=problem&id=1335

We haven't resolved whether it's possible to fully and efficiently verify the correctness of extremely long mathematical proofs without any possibility of hidden error.

open Global / Unspecified, Global

Some proofs span thousands of pages or rely on massive computer verification, and whether complete, error-free confidence is ever truly achievable for such proofs remains a genuinely unresolved epistemological and mathematical question. This shapes ongoing debates about the future of mathematical certainty.

mathematical proofs whether error haven mathematics-logic
WS01336 · Logged by The Internet (late_night_reader) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01336 Title: We haven't resolved whether it's possible to fully and efficiently verify the correctness of extremely long mathematical proofs without any possibility of hidden error. URL: https://worldsolve.org/index.php?api=problem&id=1336

We don't know whether every possible pattern of interconnected logical statements can always be reduced to an equivalent but simpler logical structure.

open Global / Unspecified, Global

Logical simplification techniques work well for many cases, but a fully general method guaranteed to simplify every possible logical structure remains unresolved. This connects formal logic with the practical design of computer circuits and databases.

logical every possible structure know mathematics-logic
WS01337 · Logged by The Internet (citizen_of_earth) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01337 Title: We don't know whether every possible pattern of interconnected logical statements can always be reduced to an equivalent but simpler logical structure. URL: https://worldsolve.org/index.php?api=problem&id=1337

We still haven't proven whether it's possible to construct a complete mathematical theory that predicts the exact point at which any sufficiently large system becomes computationally intractable.

open Global / Unspecified, Global

Complexity theory identifies broad categories of tractable and intractable problems, but pinpointing the exact threshold for every specific problem type remains incompletely resolved. This unresolved boundary is central to computer science and applied mathematics.

theory exact intractable haven proven mathematics-logic
WS01338 · Logged by The Internet (seaglass) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01338 Title: We still haven't proven whether it's possible to construct a complete mathematical theory that predicts the exact point at which any sufficiently large system becomes computationally intractable. URL: https://worldsolve.org/index.php?api=problem&id=1338

We haven't determined whether every finite mathematical proof system must eventually reach a statement it can neither prove nor disprove, no matter how it's constructed.

open Global / Unspecified, Global

Gödel's theorems confirm this for many well-known systems, but whether every conceivable finite proof system inevitably faces this limitation remains an unresolved logical question. This continues to shape foundational research into the nature of formal systems.

whether every finite proof system mathematics-logic
WS01339 · Logged by The Internet (seaglass) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01339 Title: We haven't determined whether every finite mathematical proof system must eventually reach a statement it can neither prove nor disprove, no matter how it's constructed. URL: https://worldsolve.org/index.php?api=problem&id=1339

We don't know whether it's possible to guarantee a fully efficient method for finding the best possible solution to every version of a resource-scheduling problem.

open Global / Unspecified, Global

Scheduling problems appear throughout logistics and computing, and while efficient solutions exist for many specific cases, a fully general efficient method remains unresolved for the broader problem family. This unresolved question connects theoretical computer science with real-world efficiency.

possible efficient fully method scheduling mathematics-logic
WS01340 · Logged by The Internet (late_night_reader) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01340 Title: We don't know whether it's possible to guarantee a fully efficient method for finding the best possible solution to every version of a resource-scheduling problem. URL: https://worldsolve.org/index.php?api=problem&id=1340

We still haven't resolved whether it's possible to fully classify every mathematical curve that can be drawn using only a specific limited set of geometric tools.

open Global / Unspecified, Global

Classical geometry identified many constructible and non-constructible curves using compass and straightedge, but a complete classification across all possible limited toolsets remains an unresolved area. This connects ancient geometric questions with modern algebraic methods.

possible using limited geometric haven mathematics-logic
WS01341 · Logged by The Internet (echo_chamber_no) on 2026-07-19T16:18:35Z · Working on: 0
Citation ID: WS01341 Title: We still haven't resolved whether it's possible to fully classify every mathematical curve that can be drawn using only a specific limited set of geometric tools. URL: https://worldsolve.org/index.php?api=problem&id=1341
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