Alternate history is related to but distinct from counterfactual history — the term used by some professional historians when using thoroughly researched and carefully reasoned speculations on " what might have happened if ..." as a tool of academic historical research.

Wallace did extensive fieldwork, first in the Amazon River basin and then in the Malay Archipelago, where he identified the Wallace Line that divides the Indonesian archipelago into two distinct parts, one in which animals closely related to those of Australia are common, and one in which the species are largely of Asian origin.

Other terms such as character set, character map, and code page are used almost interchangeably, but these terms have related but distinct meanings described below.

Communitarianism as a group of related but distinct philosophies ( or ideologies ) began in the late 20th century, opposing classical liberalism and capitalism while advocating phenomena such as civil society.

Conservatism in the United Kingdom is related to its counterparts in other Western nations, but has a distinct tradition.

Dysgraphia is distinct from dyspraxia in that dyspraxia is simply related motor sequence impairment.

It survives in this fixed form from the days of Old English ( having undergone, however, phonetic changes with the rest of the language ), in which it was constructed as "" + " me " ( the dative case of the personal pronoun ) + " thinks " ( i. e., " seems ", < Old English thyncan, " to seem ", a verb closely related to the verb thencan, " to think ", but distinct from it in Old English ; later it merged with " think " and lost this meaning ).

There are two distinct cultural traditions of dragons: the European dragon, derived from European folk traditions and which is ultimately related to Greek and Middle Eastern mythologies, and the Chinese dragon, with counterparts in Japan, Korea and other East Asian countries.

This virus appears to be related to the Geminiviridae but is distinct from them.

This is true not only with syntagmatic succession in relation with paradigmatic simultaneity, but also, in a broader sense, between diachronic succession in History related with synchronic simultaneity inside a " system of distinct signs ".

The time scale represented by T < sub > eph </ sub > is closely related to, but distinct ( by an offset and constant rate ) from, the TCB time scale currently adopted as a standard by the IAU ( see below: JPL ephemeris time argument Teph ).

The time scale represented by T < sub > eph </ sub > has been characterized as a relativistic coordinate time that differs from Terrestrial Time only by small periodic terms with an amplitude not exceeding 2 milliseconds of time: it is linearly related to, but distinct ( by an offset and constant rate which is of the order of 0. 5 sec / yr ) from the TCB time scale adopted in 1991 as a standard by the IAU.

Though the two are related, they are separate and distinct.

Most extinct cat-like animals, once regarded as members of the Felidae, later turned out to be members of related, but distinct, families: the " false sabretooths " Nimravidae and Barbourofelidae.

These should not be confused with the related, albeit distinct, modern British grammar schools.

In topology and related branches of mathematics, a Hausdorff space, separated space or T < sub > 2 </ sub > space is a topological space in which distinct points have disjoint neighbourhoods.

A closely related but distinct character set is ISO-8859-1 ( distinguished by a dash after " ISO ").

As these closely related languages are commonly treated as dialects of the same language, Japanese is often called a language isolate, but strictly speaking this is a misnomer, since the Ryukyuan languages are linguistically distinct.

The Rock Kestrel may be a distinct species F. rupicolus, more distantly related to the Common Kestrel proper than the Nankeen Kestrel ; its relationship to the other African and South Asian kestrel taxa remains insufficiently studied.

The word " love " can have a variety of related but distinct meanings in different contexts.

In this case, closely related species may regularly interbreed, but hybrids will be selected against and the species will remain distinct.

MPEG-2 includes a Systems section, part 1, that defines two distinct, but related, container formats.

In the Charales, which are the algae most closely related to higher plants, cells differentiate into several distinct tissues within the organism.

It is a polyseme with multiple distinct but related meanings.

The Free Software Foundation has a related but distinct criterion for evaluating whether or not a license qualifies a program as free software.

The idea that the Turkic, Mongolic, and Tungusic languages are closely related to each other was allegedly first published in 1730 by Philip Johan von Strahlenberg, a Swedish officer who traveled in the eastern Russian Empire while a prisoner of war after the Great Northern War.

In sum, the idea was that Turkic, Mongolic, and Tungusic form a Sprachbund – the result of convergence through intensive borrowing and long contact among speakers of languages that are not necessarily closely related.

This idea leads into the understanding of how abiotic stress and endangered species are related.

In Confucianism, the concept of li is closely related to yì (), which is based upon the idea of reciprocity.

He later related that he had no idea of the familial connections when the Marquess of Milford Haven introduced himself after one of the shows and said he would like his cousins to see Kaye perform.

De Camp and Ley have claimed ( in their Lands Beyond ) that Leonhard Euler also proposed a hollow-Earth idea, getting rid of multiple shells and postulating an interior sun across to provide light to advanced inner-Earth civilization but they provide no references ; indeed, Euler did not propose a hollow-Earth, but there is a slightly related thought experiment.

* Vagina Jam-an infamous idea often referenced in ideas that are only vaguely related.

Kubla Khan is also related to the genre of fragmentary poetry, with internal images reinforcing the idea of fragmentation that is found within the form of the poem.

A related early idea was Prout's hypothesis, formulated by English chemist William Prout, who proposed that the hydrogen atom was the fundamental atomic unit.

The origin of the word is from Ancient Greek, and the idea originally related to Buddhist monks in 550 BC.

Categories can represent words, ideas, tasks, or other items related to a central key word or idea.

The processes by which bodies related to environments became of great concern, and the idea of being itself became difficult to really define.

Some argue that panentheism should also include the notion that God has always been related to some world or another, which denies the idea of creation out of nothing ( creatio ex nihilo ).

Influential to thinkers associated with Postmodernism are Heidegger's critique of the subject-object or sense-knowledge division implicit in Rationalism, Empiricism and Methodological Naturalism, his repudiation of the idea that facts exist outside or separately from the process of thinking and speaking them ( however, Heidegger is not specifically a Nominalist ), his related admission that the possibilities of philosophical and scientific discourse are wrapped up in the practices and expectations of a society and that concepts and fundamental constructs are the expression of a lived, historical exercise rather than simple derivations of external, apriori conditions independent from historical mind and changing experience ( see Johann Gottlieb Fichte, Heinrich von Kleist, Weltanschauung and Social Constructionism ), and his Instrumentalist and Negativist notion that Being ( and, by extension, reality ) is an action, method, tendency, possibility and question rather than a discreet, positive, identifiable state, answer or entity ( see also Process Philosophy, Dynamism, Instrumentalism, Pragmatism and Vitalism ).

The idea is to count the primes ( or a related set such as the set of prime powers ) with weights to arrive at a function with smoother asymptotic behavior.

Their findings, published in Genome Research, claimed the idea that members of higher castes are more closely related to Europeans than are the lower castes.

An idea closely related, but not identical, to the statute of limitations is a statute of repose.

Sorre developed a schema of society related to the ecological idea of habitat, which was applied to an urban context by the sociologist Paul-Henry Chombart de Lauwe.

A related idea is to obtain economies of scale from building simple, massive, multi-stage rockets using cheap, off-the-shelf parts.

Another Scripture text that Catholics generally understand as related to the Eucharist is the Gospel of John's account of Jesus as saying: " Unless you eat the flesh of the Son of Man and drink his blood you have no life in you … he who eats my flesh and drinks my blood abides in me and I in him " (), a statement that he did not tone down when, as a result, many of his disciples then abandoned him (), shocked at the idea.

In related stories, the creation idea is caused by a single entity emanating or producing something by him-or herself, as in the Tibetan Buddhism concept of Adi-Buddha, the ancient Greek story of Gaia ( Mother Earth ), the Aztec goddess Coatlicue myth, the ancient Egyptian god Atum story, or the Genesis creation narrative.

According to Reijer Hooykaas ( 1963 ), Lyell's uniformitarianism is a family of four related propositions, not a single idea:

Capra made his primary focus the creation of " one basic, powerful idea " that would spread and evolve into other related ideas.

" Lipscomb and his coworkers developed the idea of transferability of atomic properties, by which approximate theories for complex molecules are developed from more exact calculations for simpler but chemically related molecules ,..."