GREAT THINGS ENTERPRISE
CLAUDE BLACK
Mark 2:28
QED
Medieval Latin scholars would write QED at the end of their arguments. QED is an initialism for the phrase “quod erat demonstrandum,” meaning “that which was to be demonstrated.” If all the propositions derived from one another and led to a sound conclusion, the argument could then be said to be proven, i.e., QED.
There are two fields of logic: formal (or symbolic) logic and informal (or natural language) logic. Informal logic deals with reasoning, which emphasizes clear reasoning and practical application in real-world contexts. Such arguments are evaluated on the basis of clarity, relevance, consistency, and soundness.
When Jesus answered his critics, who chided him for allowing his disciples to pick some grain and rub it in their hands to clean the chaff from the kernel, he told them that the Father created man, and then created the Sabbath for man, making the Father both the Lord of man and of the Sabbath. “So that the Son of Man is lord even of the Sabbath.” (Mark 2:28) Or, stated slightly differently: Since the Father created man, and then created the Sabbath as a gift for man, the Son of Man, the Father’s Son, is also lord of man and of the Sabbath, QED.
If the Son is Lord of the Sabbath, he is also lord of the other days created by the Father, QED.
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