What are counterarguments to R+L=J?
73342
What evidence is there supporting an alternative parentage for Jon Snow?
65379
Deriving $\neg R$ from $\{R↔(R∨(P∧¬P)), R↔¬P, ¬P→(P↔(Q→Q)), P→Q\}$
43478
Prove that: $ m_a + m_b + m_c \le 4R + r $
91861
Propositional Logic: p → q, ¬p → r, ¬q → ¬r ⊢ q
137494
Why is "If ψ ∈ Γ then the sequent (Γ ⊢ ψ) is correct" true?
85540
Prove or Disprove the Existence of Solutions...
124194
$R>r>0$ , $||a||,||b||R$ ; pulls back volume form to itself?
79274
$1=2$ | Continued fraction fallacy
152827
Defeating Russell's paradox
1707
How does one prove that addition on $\mathbb{R}$ is associative?
114217
What is the value of $\operatorname{Arg}(\frac{z}{\bar{z}})$?
139101
Strong Counterexample to MVT on Q
53399
Proof of the uncountability of reals using the diagonal argument—problem?
95851
Validity of an argument with a contradictory conclusion
114773
counterexamples on modules
4182
What are some classic fallacious proofs?
147659
Counterexample to "if $f:A\to A$ induces the identity $\hat f:\operatorname{Spec}(A)\to\operatorname{Spec}(A)$, then $f=\operatorname{id}_A$"