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2answers
122 views

Automatic theorem prover for proving simple theorems?

Is there a simple software that I could use to practice proving theorems in my course of mathematical logic? Basically what I need is ability to 1) define what axioms and laws I am allowed to use in ...
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0answers
62 views

An Auto-Generated Cartography of Mathematical Theories: Has it been done already?

While looking for a way to visualize the logical structure of mathematical theories a graph-like depiction came to my mind, where propositions are represented by vertices. An edge goes from ...
3
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0answers
43 views

Using an automatic tool for checking geometric conjectures

I do a lot of research about squares, and I thought of using some automatic tool for proving / disproving some geometric conjectures. As a simple example, consider the following Square coloring ...
2
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0answers
80 views

Ordering of multisets in “Paramodulation based theorem proving”

I'm reading this paper: http://www.lsi.upc.edu/~albert/papers/handbook.ps.gz and I can't understand a part of it. it defines an ordering on multisets (it defines a multiset over $A$ as a function $A ...
2
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0answers
196 views

Coq transparency issues with type class fields

I am having some issues with, I suspect, transparency of fields in type classes. Consider a type class such as ...
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0answers
35 views

Proving irregularity using Myhill-Nerode theorem

I'm trying to prove that the following language is irregular using the Myhill-Nerode theorem $$ L = \{ w\space\epsilon \{a,b,c\}^* | \#_b(w) > (\#_a(w) + \#_c(w))! \} $$ While it's completely ...
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0answers
63 views

A question about a projection of a variety

Let $\mathbb K$ be an algebraically closed field (of characteristic zero) and $H$ an irreducible variety in $\mathbb K ^n$. Let $t \in \mathbb K [x_1,\ldots,x_n]$ and let $T:= \mathsf V ( t )$ be the ...
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0answers
47 views

Cone relations and equivalence relations in the Myhill - Nerode Theorem.

Fix an alphabet ${\bf S}$ and a language $L \subset S^*$. For any two words $w$, $w'$ $\in S^*$, define a relation $w \sim w'$ if and only if Cone$(w)$ = Cone$(w')$. Then prove that this is an ...