Talk:Proper frame
Latest comment: 11 months ago by 104.175.224.156 in topic Symbol π
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Symbol π
editThis symbol is suddenly introduced in this page, within a sentence that seems somewhat disconnected with what precedes and rather unclear. Is it possibile that thereβs a missing paragraph where π is more properly defined? 104.175.224.156 (talk) 13:20, 5 August 2023 (UTC)