Blasphemy is truth that ought not be uttered.
“Elephants can fly.” “Peanut butter is evil”. “All creativity emerges through elecromagnetic waves emanating from the core of the Earth into our minds.” None of these erroneous statements is blasphemous because none are true. You wouldn’t even be lynched for uttering them in Pakistan. People punish blasphemers to stop the cat getting out of the bag, whether they know it or not.
“There are no gods”.
“The emperor is not divine.”
“Swimming in the waterhole said to be the final resting place of the Rainbow Serpent will not cause a natural disaster.”
“Your prophet was mistaken.”
“The magic rock is not magic.”
“The sun is the centre of the Solar System.”
“The saints are hocus pocus.”
“Men have a penis and women have a vagina.”
“Women generally choose lower paying careers than men.”
“There are average differences between races.”
“Black women did not have a major role in getting man to the moon.”
You can’t say any of these because they are true. Socrates didn’t get in trouble for saying that olives have secret conversations with each other late at night when no one is listening. No, he was accused of questioning the gods.
Are there blasphemies which are also untrue? The closest I can come up with are alternative false stories, like those of the Gnostics and the Cathars. Even these tend to moderate wild stories, like the largely miracle-free Gospel of St. Thomas. There is no blasphemy that simply replaces a fact with a falsehood. That is just called a mistake. A blasphemy always replaces a falsehood with an alternative falsehood, or more commonly, with a fact.
Please suggest counterexamples to this suggestion in the comments.
Further blasphemous reading: isteve
Further blasphemous listening: Radio Derb