Sheffer
Proper noun
Meaning
Sheffer
A surname from German.
Examples
After section ✸8 the Sheffer stroke sees no usage.
He is survived by his wife of 56 years Barbara Jean; son Todd (Veronica Davidson) Sheffer; daughter Kelly (Kris Brommeland) Steele; sister Dorothy Hull; grandchildren Jaxon Steele, Brooke and Brandon Sheffer; numerous nieces, nephews and in-laws.
President Trump delivers remarks at Sheffer Corporation in Blue Ash, Ohio, on Feb. 5. In that speech, he told the crowd "history is not on our side" in the 2018 midterms.
An example would be the "grade up" character, which had to be made from a "delta" (shift-H) and a " Sheffer stroke " (shift-M).
Hence any formal system including the Sheffer stroke must also include a means of indicating grouping.
Sheffer interpreted the stroke as a sign for non-disjunction (NOR) in his paper, mentioning non-conjunction only in a footnote and without a special sign for it.