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The copyright symbol, or copyright sign, designated by (a circled capital letter "C"), is the symbol used in copyright notices for works other than sound recordings.
The proper copyright notice for sound recordings of musical or other audio works is a sound recording copyright symbol (℗, the letter P inside a circle, Unicode U+2117 ℗ SOUND RECORDING COPYRIGHT), which indicates a sound recording copyright, with the letter P indicating a "phonorecord".
The sound recording copyright symbol or phonogram symbol, ℗ (letter P in a circle), is the copyright symbol used to provide notice of copyright in a sound recording (phonogram) embodied in a phonorecord ( LPs, audiotapes, cassette tapes, compact discs, etc.). [ 1] It was first introduced in the Rome Convention for the Protection of Performers ...
A public-domain book is a book with no copyright, a book that was created without a license, or a book where its copyrights expired [ 17] or have been forfeited. [clarification needed][ 18] In most countries the term of protection of copyright expires on the first day of January, 70 years after the death of the latest living author.
propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.
To use the shortcut, turn on NumLock / Fn, and make sure the cursor is flashing where you want the symbol to go. Press and hold the alt key, and then press numbers. You don’t need to press the ...
A Creative Commons ( CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted "work". [ a] A CC license is used when an author wants to give other people the right to share, use, and build upon a work that the author has created.
International copyright symbol. There are technical requirements as to the information a copyright notice must contain. Under the 1870 law, in effect until 1909, the copyright owner had to write "Entered according to act of Congress, in the year _____, by A. B., in the office of the Librarian of Congress, at Washington."