True if 'P' is false, false is 'P' is true
Conjunction (P & Q)
'P & Q' is only true if 'P' and 'Q' are both true
Disjunction (P v Q)
'P v Q' is only false when both 'P' and 'Q' are false
Bi-Conditional (P ↔ Q)
'P ↔ Q' is true only when the truth values of 'P' and 'Q' agree
Conditional (P → Q)
'P → Q' is only false when 'P' is true and 'Q' is false
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.
NEW! Voice Recording
Click the mic to start.