Why do we use pumping lemma to prove the non-regularity of languages? WHY?...

Using string of set length with pumping lemma to prove irregularity...

Why L={wxw^R| w, x belongs to {a,b}^+ } is a regular language...

proof L = {a^n b^m | n>=m} is irregular language...

Is L = {a^n a^n b^m |m, n ≥ 0} a regular or irregular language?...

Use the pumping lemma to show that the following languages are not regular languages L = {anbm | n =...

How to translate this description into a language?...

Pumping lemma for regular language...

How to read language definition syntax for regular/nonregular languages...

Pumping lemma (Regular language)...

Finding errors in pumping lemma conditions...

How to Pumping lemma for Regular language...

how do we prove that this language is irregular using the pumping lemma?...

Is the language L ={a^n b^k c^m | k>=0, n>m} regular?...

Pumping lemma is used to show a language is non-regular /non-CFL....

Using Ogden’s Lemma versus regular Pumping Lemma for Context-Free Grammars...

Pumping lemma for CFLs...

Need to prove language L = {a^nb^m: n < m < 2m} is not regular...

Show a language is infinite...

CFL Pumping Lemma L = {a^n b^m c^k d^k | n>m}...

Context free language (Pumping lemma a^n b^m c^min(n,m))...

Regular languages and pumping lemma...

{w is in {a,b}*|w contains b only in some odds position}...

Unable to prove this language is not context-free using Pumping Lemma...

Proving nonregularity...

Are {a^n | n >= 0} and {a^p | p = prime number} not regular?...

Pumping Lemma Assistance...

Context Free pumping lemma...

Show that L ={ ww^R : w ∈ Σ*} is not regular by using Pumping Lemma...

Proving language is context-free with pumping lemma...