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Read the lesson – 6
Read the lesson – 6

... A fraction is said to be an improper fraction if its numerator is greater than its denominator. Eg:- 16/5 , 20/9 etc. Mixed Fraction An Improper Fraction can be written as a combination of a natural number and a proper fraction, this type of fractions are called mixed fraction. Eg:- 16/5 can be writ ...
Document
Document

Dedukti
Dedukti

... function symbol 7→ that would bind a variable in its argument. 2. Predicate logic ignores the propositions-as-types principle, according to which a proof π of a proposition A is a term of type A. 3. Predicate logic ignores the difference between deduction and computation. For example, when Peano ari ...
[Write on board:
[Write on board:

5-CON TRIANGLES - Antonella Perucca
5-CON TRIANGLES - Antonella Perucca

... 5-Con triangles (published in Wikipedia.En) Two triangles are said to be 5-Con or almost congruent if they are not congruent triangles but they are similar triangles and share two side lengths (of non-corresponding sides). The 5-Con triangles are important examples for understanding the solution of ...
A System of Interaction and Structure
A System of Interaction and Structure

22(2)
22(2)

Real numbers
Real numbers

... •• To simplify a surd means to make a number (or an expression) under the radical sign ( ! ) as small as possible. •• To simplify a surd (if it is possible), it should be rewritten as a product of two factors, one of which is a perfect square, that is, 4, 9, 16, 25, 36, 49, 64, 81, 100 and so on. •• ...
A Systematic Construction of Almost Integers
A Systematic Construction of Almost Integers

Math for College Readiness
Math for College Readiness

Congruence and uniqueness of certain Markoff numbers
Congruence and uniqueness of certain Markoff numbers

... The Unicity Conjecture. Suppose (a, b, c) and (e a, eb, c) are Markoff triples with a ≤ b ≤ c and e a ≤ eb ≤ c. Then a = e a and b = eb. The conjecture has become widely known when Cassels mentioned it in [4, p. 33]; see also [7, p. 11, p. 26] and [6, p. 188]. It has been proved only for some rather ...
On the Sum of Corresponding Factorials and Triangular Numbers
On the Sum of Corresponding Factorials and Triangular Numbers

07.1-Reasoning
07.1-Reasoning

Proof Theory of Finite-valued Logics
Proof Theory of Finite-valued Logics

... for A is decidable. The unification algorithm (see Chang and Lee [1973]) calculates the most general unifier if it exists. ...
CONSECUTIVE EVEN NUMBER FINDING GRAPH (CENFG
CONSECUTIVE EVEN NUMBER FINDING GRAPH (CENFG

... no acceptable solution has been obtained till now or nobody can find a suitable method to carry on this research depending on the available theorems and results. Comparing the graph theory with number theory, it has been found that the graph theory, which is assumed to be applied, has started before ...
Direct Proof
Direct Proof

... The proof of a proposition is an argument that will convince any reader with suitable background that the proposition is always true. Mathematical proofs are often written in a formal style, but that is not required. Proofs can come in many different forms, but mathematicians writing proofs often st ...
Modal Languages and Bounded Fragments of Predicate Logic
Modal Languages and Bounded Fragments of Predicate Logic

... one can also study the effects of special frame restrictions – but we must leave this issue for further investigation, except for some passing remarks. What precisely are fragments of classical first-order logic showing “modal” behaviour? Perhaps the most influential answer is that of Gabbay 1981, w ...
How to Write a 21st Century Proof
How to Write a 21st Century Proof

On modal logics of group belief
On modal logics of group belief

diendantoanhoc.net [VMF]
diendantoanhoc.net [VMF]

i+1
i+1

Exploring great mysteries about prime numbers
Exploring great mysteries about prime numbers

full text (.pdf)
full text (.pdf)

... From a practical standpoint, many simple program manipulations such as loop unwinding and basic safety analysis do not require the full power of PDL, but can be carried out in a purely equational subsystem using the axioms of Kleene algebra. However, tests are an essential ingredient for modeling r ...
Thesis Proposal: A Logical Foundation for Session-based
Thesis Proposal: A Logical Foundation for Session-based

Notes
Notes

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Foundations of mathematics

Foundations of mathematics is the study of the logical and philosophical basis of mathematics, or, in a broader sense, the mathematical investigation of what underlies the philosophical theories concerning the nature of mathematics. In this latter sense, the distinction between foundations of mathematics and philosophy of mathematics turns out to be quite vague. Foundations of mathematics can be conceived as the study of the basic mathematical concepts (number, geometrical figure, set, function, etc.) and how they form hierarchies of more complex structures and concepts, especially the fundamentally important structures that form the language of mathematics (formulas, theories and their models giving a meaning to formulas, definitions, proofs, algorithms, etc.) also called metamathematical concepts, with an eye to the philosophical aspects and the unity of mathematics. The search for foundations of mathematics is a central question of the philosophy of mathematics; the abstract nature of mathematical objects presents special philosophical challenges.The foundations of mathematics as a whole does not aim to contain the foundations of every mathematical topic.Generally, the foundations of a field of study refers to a more-or-less systematic analysis of its most basic or fundamental concepts, its conceptual unity and its natural ordering or hierarchy of concepts, which may help to connect it with the rest of human knowledge. The development, emergence and clarification of the foundations can come late in the history of a field, and may not be viewed by everyone as its most interesting part.Mathematics always played a special role in scientific thought, serving since ancient times as a model of truth and rigor for rational inquiry, and giving tools or even a foundation for other sciences (especially physics). Mathematics' many developments towards higher abstractions in the 19th century brought new challenges and paradoxes, urging for a deeper and more systematic examination of the nature and criteria of mathematical truth, as well as a unification of the diverse branches of mathematics into a coherent whole.The systematic search for the foundations of mathematics started at the end of the 19th century and formed a new mathematical discipline called mathematical logic, with strong links to theoretical computer science.It went through a series of crises with paradoxical results, until the discoveries stabilized during the 20th century as a large and coherent body of mathematical knowledge with several aspects or components (set theory, model theory, proof theory, etc.), whose detailed properties and possible variants are still an active research field.Its high level of technical sophistication inspired many philosophers to conjecture that it can serve as a model or pattern for the foundations of other sciences.
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