The term "crystals" can refer to several different concepts depending on the context. Here are the main meanings: 1. **Physical Crystals**: In geology and chemistry, crystals are solid materials whose atoms are arranged in highly ordered, repeating patterns. This orderly structure leads to the formation of distinct geometric shapes. Common examples include salt (sodium chloride), quartz, and diamonds. Crystals can form through processes such as cooling magma, evaporating water, or precipitating from solutions.

Connexive logic is a type of non-classical logic that was developed to address certain philosophical issues concerning implication and conditional reasoning. It primarily focuses on the relationship between antecedents and consequents in conditional statements, aiming to provide a more nuanced understanding of how these relationships operate in reasoning. One key characteristic of connexive logic is its rejection of certain traditional principles of implication that can lead to problematic conclusions.

As of my last knowledge update in October 2023, there isn't a widely recognized person or entity named "Connie Frazer" that stands out in public records or popular culture. It's possible that someone by that name has gained prominence in a specific field or region after that date, or it could refer to a private individual.

Constantine Gatsonis is a prominent figure in the field of statistics and imaging science. He is well-known for his work in medical imaging, particularly in the areas of statistical methodology and image reconstruction. Gatsonis has contributed significantly to the development of advanced techniques for analyzing medical images, which are important for improving diagnosis and treatment. He is often associated with various academic institutions and has published numerous papers in scientific journals related to his research.