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Tag check-my-answer - This is page 2 - GeneraCodice
How to prove by contradiction that every nonempty hereditary language contains the empty string?
https://www.generacodice.com/en/articolo/1616578/how-to-prove-by-contradiction-that-every-nonempty-hereditary-language-contains-the-empty-string
proof-techniques
-
check-my-answer
cs.stackexchange
how to prove that log(n!) >= c n log(n) for some c >0?
https://www.generacodice.com/en/articolo/1616192/how-to-prove-that-log-n-c-n-log-n-for-some-c-0
algorithms
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check-my-answer
cs.stackexchange
Number of possible heaps on $\{1,…,2^h-1\}$
https://www.generacodice.com/en/articolo/1613356/number-of-possible-heaps-on-1-2-h-1
enumeration
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combinatorics
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recurrence-relation
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check-my-answer
-
heaps
cs.stackexchange
Minimal paths as solution of a linear program of a special network flow
https://www.generacodice.com/en/articolo/1610790/minimal-paths-as-solution-of-a-linear-program-of-a-special-network-flow
linear-programming
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shortest-path
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check-my-answer
cs.stackexchange
Why is this a proof by contradiction for this algorithm? Isn't this a direct proof instead?
https://www.generacodice.com/en/articolo/1610207/why-is-this-a-proof-by-contradiction-for-this-algorithm-isn-t-this-a-direct-proof-instead
algorithms
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correctness-proof
-
check-my-answer
cs.stackexchange
Is this proof for showing that $EQ_{CFG}$ is co-Turing-recognizable incorrect?
https://www.generacodice.com/en/articolo/1608836/is-this-proof-for-showing-that-eq-cfg-is-co-turing-recognizable-incorrect
turing-machines
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context-free
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check-my-answer
cs.stackexchange
$ L = \{xyyz\in\{0,1,2\}^{*} : y \neq \epsilon \wedge \exists_{a \in \{0,1,2\}} |y|_a \equiv 0 \}$
https://www.generacodice.com/en/articolo/1608326/-l-xyyz-in-0-1-2-y-neq-epsilon-wedge-exists-a-in-0-1-2-y-a-equiv-0
regular-languages
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regular-expressions
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check-my-answer
cs.stackexchange
Is complement $L = \{ w : |w|_{a} \equiv |w|_{b} \vee |w|_{c} \equiv |w|_{d} \}$ context-free
https://www.generacodice.com/en/articolo/1608282/is-complement-l-w-w-a-equiv-w-b-vee-w-c-equiv-w-d-context-free
pumping-lemma
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formal-grammars
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regular-languages
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context-free
-
check-my-answer
cs.stackexchange
How to Apply Elementary Axioms from Kleene Star to an Inequality
https://www.generacodice.com/en/articolo/1603388/how-to-apply-elementary-axioms-from-kleene-star-to-an-inequality
algebra
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proof-techniques
-
regular-expressions
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check-my-answer
-
kleene-star
cs.stackexchange
Any finite Graph G with all V have at least degree of 2, is it true that every vertex is necessarily contained IN a cycle?
https://www.generacodice.com/en/articolo/1603335/any-finite-graph-g-with-all-v-have-at-least-degree-of-2-is-it-true-that-every-vertex-is-necessarily-contained-in-a-cycle
proof-techniques
-
correctness-proof
-
check-my-answer
cs.stackexchange
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