query: Proof of 3-perfect codes
positive_passages.docid: 27840
positive_passages.text: What about $[n,k,7]$ binary perfect code? (Exercise from the book Fundamentals of Error Correcting Codes)
negative_passages.docid: 105886
negative_passages.text: A question on the proof of 14 distinct sets can be formed by complementation and closure
negative_passages.docid: 156319
negative_passages.text: Show that a group with $|G| = 33$ contains an element of order $3$
negative_passages.docid: 122330
negative_passages.text: Prove that there exists some $c\in(-3,3)$ such that$ \ \ g(c) \cdot g''(c)<0$.
negative_passages.docid: 61671
negative_passages.text: Discrete Math: Writing Proofs
negative_passages.docid: 37331
negative_passages.text: Prove that every set with more than one element has a permutation without fixed points
negative_passages.docid: 19954
negative_passages.text: Perfect set without rational numbers
negative_passages.docid: 121130
negative_passages.text: Graph with even vertices and ${n-1}\choose 2$ $+ 1$ edges has a perfect matching
negative_passages.docid: 33104
negative_passages.text: Combinatorial Proof with Summation Identity
negative_passages.docid: 96737
negative_passages.text: Geometric proof that a Pythagorean triple has a number divisible by $3$?
negative_passages.docid: 90519
negative_passages.text: Combinatorial proof of $\sum\limits_{k=0}^n {n \choose k}3^k=4^n$
negative_passages.docid: 92359
negative_passages.text: Big-O Notation Proof
negative_passages.docid: 45204
negative_passages.text: Combinatorial proofs: having a difficult time understanding how to write them out
negative_passages.docid: 113305
negative_passages.text: Proof using Prüfer encoding
negative_passages.docid: 151375
negative_passages.text: There are $3$ Zero-Sum Numbers!
negative_passages.docid: 125210
negative_passages.text: proof: primitive pythagorean triple, a or b has to be divisible by 3
negative_passages.docid: 30136
negative_passages.text: Proof that a Combination is an integer