In mathematical logic, a conservative extension is a supertheory of a theory which is often convenient for proving theorems, but proves no new theorems...

expected from a definition. More precisely, the new theory is a conservative extension of the old one. Let T {\displaystyle T} be a first-order theory...

The Conservative and Unionist Party, commonly the Conservative Party and colloquially known as the Tories, is one of the two main political parties in...

Von Neumann–Bernays–Gödel set theory (NBG) is a commonly used conservative extension of Zermelo–Fraenkel set theory that does allow explicit treatment...

\varphi (a_{1},\ldots ,a_{m})} . Then T 1 {\displaystyle T_{1}} is a conservative extension of T {\displaystyle T} , which means that the theory T 1 {\displaystyle...

individualism, limited government, and laissez-faire economics. Fiscal conservatives advocate tax cuts, reduced government spending, free markets, deregulation...

The chairman of the Conservative Party in the United Kingdom is responsible for party administration and overseeing the Conservative Campaign Headquarters...

rule x < y ↔ ∃z (Sz + x = y). Equivalently, we get a definitional conservative extension of Q by taking "<" as primitive and adding this rule as an eighth...

In logic, extensionality, or extensional equality, refers to principles that judge objects to be equal if they have the same external properties. It stands...

tolerance, and cotolerance, introduced by Giorgi Japaridze in 1992–93. Conservative extension Interpretation (logic) Interpretation (model theory) Interpretability...

Neumann–Bernays–Gödel set theory (NBG) is an axiomatic set theory that is a conservative extension of Zermelo–Fraenkel–choice set theory (ZFC). NBG introduces the...

The Conservative Party of Canada (CPC; French: Parti conservateur du Canada, PCC), sometimes referred to as the Tories, is a federal political party in...

the Conservative Party (officially the leader of the Conservative and Unionist Party) is the highest position within the United Kingdom's Conservative Party...

of Sets (1965). While von Neumann–Bernays–Gödel set theory is a conservative extension of Zermelo–Fraenkel set theory (ZFC, the canonical set theory) in...

Alexander Grothendieck) is an axiomatic set theory. It is a non-conservative extension of Zermelo–Fraenkel set theory (ZFC) and is distinguished from other...

axiomatic set theory like Von Neumann–Bernays–Gödel set theory, a conservative extension of ZFC. Sometimes slightly stronger theories such as Morse–Kelley...

the liberal democratic basis of U.S. governance, and opposes both the conservative and liberal wings of the country's political mainstream. Many of its...

makes classical logic a special fragment of CoL. Thus CoL is a conservative extension of classical logic. Computability logic is more expressive, constructive...

words, all types have a definite description operator. This is a conservative extension, so the extended system is consistent if the core is consistent...

The conservative wave (Portuguese: onda conservadora; Spanish: ola conservadora), or blue tide (Portuguese: maré azul; Spanish: marea azul), was a right-wing...

The Progressive Conservative Party of Manitoba (PC; French: Parti progressiste-conservateur du Manitoba) is a centre-right political party in Manitoba...

The Conservative Party of Canada (French: Parti conservateur du Canada) was a major federal political party in Canada that existed under that name from...

logic are only a result of novel well-formed formulas. (See also Conservative extension.) In a deviation, the usual logical constants are used, but are...

originated with Benjamin Disraeli (1804–1881), who served as the chief Conservative spokesman and became Prime Minister in February 1868. He devised it to...

now one of the two major right wing parties in the UK, alongside the Conservative Party. Founded in 2018 as the Brexit Party, advocating a no-deal Brexit...

the theory is coherent. Every first-order theory has a coherent conservative extension.[citation needed] Dyckhoff & Negri (2015) list eight consequences...

The July–September 2022 Conservative Party leadership election was triggered by Boris Johnson's announcement on 7 July 2022 that he would resign as Leader...

with the property that τ is a global choice function. This is a conservative extension of ZFC: every provable statement of this extended theory that can...

The Welsh Conservatives (Welsh: Ceidwadwyr Cymreig), also known as the Welsh Conservative Party (Welsh: Plaid Ceidwadwyr Cymreig), is the branch of the...

related physical exercises intended to enhance lumbar flexion, avoid lumbar extension, and strengthen the abdominal and gluteal musculature in an effort to...