How to prove this equivalent without truth table? [on hold]











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((~P v Q) ^ (P v r)) ^ (~P v ~Q) . i tested for few days but still cant find the answer






logic







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put on hold as unclear what you're asking by GNUSupporter 8964民主女神 地下教會, Henning Makholm, Mauro ALLEGRANZA, José Carlos Santos, amWhy yesterday


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.















  • There is something telling me you did not test for a few days. :-D
    – trancelocation
    yesterday






  • 2




    Equivalent to what?
    – Henning Makholm
    yesterday










  • And if you don't want to use a truth table, what do you want to use instead?
    – Henning Makholm
    yesterday










  • ah sorry, equivalent to ~(pvr)
    – Derf
    yesterday










  • by using de morgan's, distributive, etc
    – Derf
    yesterday















up vote
-1
down vote

favorite












((~P v Q) ^ (P v r)) ^ (~P v ~Q) . i tested for few days but still cant find the answer






logic







share|cite|improve this question







New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











put on hold as unclear what you're asking by GNUSupporter 8964民主女神 地下教會, Henning Makholm, Mauro ALLEGRANZA, José Carlos Santos, amWhy yesterday


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.















  • There is something telling me you did not test for a few days. :-D
    – trancelocation
    yesterday






  • 2




    Equivalent to what?
    – Henning Makholm
    yesterday










  • And if you don't want to use a truth table, what do you want to use instead?
    – Henning Makholm
    yesterday










  • ah sorry, equivalent to ~(pvr)
    – Derf
    yesterday










  • by using de morgan's, distributive, etc
    – Derf
    yesterday













up vote
-1
down vote

favorite









up vote
-1
down vote

favorite











((~P v Q) ^ (P v r)) ^ (~P v ~Q) . i tested for few days but still cant find the answer






logic







share|cite|improve this question







New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











((~P v Q) ^ (P v r)) ^ (~P v ~Q) . i tested for few days but still cant find the answer






logic




logic






share|cite|improve this question







New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|cite|improve this question







New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|cite|improve this question




share|cite|improve this question






New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked yesterday









Derf

1




1




New contributor




Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Derf is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.




put on hold as unclear what you're asking by GNUSupporter 8964民主女神 地下教會, Henning Makholm, Mauro ALLEGRANZA, José Carlos Santos, amWhy yesterday


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.






put on hold as unclear what you're asking by GNUSupporter 8964民主女神 地下教會, Henning Makholm, Mauro ALLEGRANZA, José Carlos Santos, amWhy yesterday


Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.














  • There is something telling me you did not test for a few days. :-D
    – trancelocation
    yesterday






  • 2




    Equivalent to what?
    – Henning Makholm
    yesterday










  • And if you don't want to use a truth table, what do you want to use instead?
    – Henning Makholm
    yesterday










  • ah sorry, equivalent to ~(pvr)
    – Derf
    yesterday










  • by using de morgan's, distributive, etc
    – Derf
    yesterday


















  • There is something telling me you did not test for a few days. :-D
    – trancelocation
    yesterday






  • 2




    Equivalent to what?
    – Henning Makholm
    yesterday










  • And if you don't want to use a truth table, what do you want to use instead?
    – Henning Makholm
    yesterday










  • ah sorry, equivalent to ~(pvr)
    – Derf
    yesterday










  • by using de morgan's, distributive, etc
    – Derf
    yesterday
















There is something telling me you did not test for a few days. :-D
– trancelocation
yesterday




There is something telling me you did not test for a few days. :-D
– trancelocation
yesterday




2




2




Equivalent to what?
– Henning Makholm
yesterday




Equivalent to what?
– Henning Makholm
yesterday












And if you don't want to use a truth table, what do you want to use instead?
– Henning Makholm
yesterday




And if you don't want to use a truth table, what do you want to use instead?
– Henning Makholm
yesterday












ah sorry, equivalent to ~(pvr)
– Derf
yesterday




ah sorry, equivalent to ~(pvr)
– Derf
yesterday












by using de morgan's, distributive, etc
– Derf
yesterday




by using de morgan's, distributive, etc
– Derf
yesterday















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