17. Tautology by logical equivalences || Tautology without truth table || Discrete Mathematics

17. Tautology by logical equivalences || Tautology without truth table || Discrete Mathematics
Radhe Radhe
In this vedio, you will learn how to prove a tautology by using logical equivalences. In this vedio, first some logical equivalences are discussed, then Tautology is proved for some statements.

After listening this vedio, you will be benefitted definitely.

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Thanks

[lalitmehra]

At college I cant understand this on whole lecture but here in few minutes I understand easily thank you

[aayushkumaryadav]

7:35 mam after (~p^q)or(~q or p)
We can write,
~p^(q or ~q) or p,
~p ^ T or p,
~p^p or T,
F or T,
T

[afrinshaik-er]

Thank you soo much mam..I'm all subjects are prepared well with help of u mam...ur explanation was very excellent 👌👌...keep it up mam

[ronitpatel]

you're a great teacher ma'am .

[ihtapirt]

Hello,
At last question ( number 3 ), on the line 5 from last line
12:57
where you've taken ' negation P or q ' there another one is 'negation P and q' so you can't take write as only one ' negation P or q'.

Please correct me if I'm wrong or if I'm correct kindly mention it in comments
Thank You.

[iamaniketkr]

Thankyou so much... After 1 hour there's my exam... And it is very helpful ❤❤❤

[pujaranimohanty]

Best teacher it's very helpful 😊😊

[adtyacodes]

At 7:57, i think it's associative law instead of distributive law

[SajidHabib-of]

Mam please laws bi Sath write Kya kare

[whoareyou]

Bhai ye hard hai warna seedha solve kara hua nhi laate

[MuhammadFaizan-zfmf]

Is me ap ne 13:01 negation p and q or negation p vel q ko aik hi keh dia hai explain kr dain

[KousarParveen-dk]

Dusre question me mistake ha
1 step par ~p pehle se hi negate tha

[success_booster]

Mam aap video me jyada se jyada questions ki practice kraiye exam me to questions hi aate hai nn jayada

[HassanRaza-xvkz]

Mam 2nd step samjh nhi aya phly uper question mai negation ha but neachy ha phir 3rd step mai phir a gaiii😢😢😢😢

[khushigupta]

Plz or questions upload kriye is unit ke

[rasdhdg]

Mam please tell me how can i find these notes

[imthiyazs.imthiyaz]

Show that the statement is tautology (~P∧(P→Q))→~Q

[GaryJacksonMoore-kq]

Martin David Hernandez Edward Garcia Mark

[ChandniSingh-rg]

isko toh table banake bhi kar sakte hai na mam😢