Sentence examples for replaceability from inspiring English sources

These equivalences are expressed formally by the validity, again for any wff α, of(∃x)(∃y)α ≡ ∼(∀x)(∀y)∼α and(∀x)(∀y)α ≡ ∼(∃x)(∃y)∼α and by the resulting replaceability anywhere in a wff of (∃x)(∃y) by ∼(∀x)(∀y)∼, or of (∀x)(∀y) by ∼(∃x)(∃y)∼.

REMAKING LOST ART AGAIN Meek: I think it was your work Oak Tree that interested me when I read about it just because it, when you talk about notions of identity of art and replaceability and so on you do wonder whether there aren't certain artworks which are almost more like scripts, instructions, than actual works of art, because I mean if I remember rightly, it was a glass of water.

It evokes notes of MC Escher's endless staircases; the perennial, sliding shark's tooth nature of an individual's inherent replaceability amid life's false notions of individuality.

We can stick to rankings within one aesthetic value (hence we may be able to compare Guernica with Picasso's late nudes), and when we have to make practical choices about what to buy, or what to save, or what to read, we can use other commensurable values, such as convenience, or replaceability, and make decisions.