Symbolic Logic Tools

Check a Photographed Proof

Photograph your completed proof template, check that the transcription below matches what you wrote, and correct it if it does not. Only then is the proof checked — so a misreading costs you an edit, not a wrong answer. Pay particular attention to the Depends column: a blank cell there is meaningful, and it is the column most often got wrong.

Need a blank sheet? Print the proof template — proofs written on it are read more reliably than proofs on plain paper.

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Transcription