Mind Bender: A Crossword Challenge

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Across
  1. 5. - The answer to or resolution of a problem or puzzle.
  2. 6. - A game or problem designed to test ingenuity or knowledge.
  3. 7. - Information and understanding acquired through experience or education.
  4. 9. - Something that is difficult or impossible to understand or explain.
  5. 11. - A secret or disguised way of writing; a code.
  6. 12. - A call to take part in a contest or competition, typically against others.
  7. 13. - A question or statement that requires thought to answer or understand.
  8. 14. - A puzzling or inexplicable occurrence or situation.
Down
  1. 1. - Reasoning conducted according to strict principles of validity and soundness.
  2. 2. - A plan of action designed to achieve a long-term or overall aim.
  3. 3. - A piece of evidence or information used to solve a problem or mystery.
  4. 4. - A confusing and difficult problem or question.
  5. 8. - To find something for the first time or to realize a truth or fact.
  6. 9. - A high landmass; often has steep sides and a peak.
  7. 10. - The organ inside your head that controls thoughts, memory, feelings, and activity.