How to use in-sentence of “only if”:
+ There is an advantage only if the birds which migrate have a better chance of leaving descendants.
+ I support, but only if you go to meta-wiki and make a request there.
+ Use numbered lists instead of bulleted lists only if you will be talking about the items by number, or if the order of the items is important for example, you are explaining step 1, step 2, etc.
+ Two non-zero vectors a and b are perpendicular if and only if a • b = 0.
+ Experts generally define a person as a pedophile only if they are primarily or exclusively sexually attracted to pre-pubescent children.
+ I’m willing to userfy the article and expand it, but only if the community thinks that it’s really necessary.
+ The package’s move to testing happens only if no serious bugs in the package are reported and if other software needed for package functionality qualifies for inclusion in “testing”.
+ An actual delete is generally necessary only if the “title” of the page is inappropriate.

Example sentences of “only if”:
+ Two lines are given for a station only if they do not connect and are not essentially collinear.
+ For example, an animal should be considered conscious only if there is no other explanation for its behaviour.
+ The header ‘Other information’ will appear only if at least one of the 5 fields below contains data.
+ Only a few types of buildings can survive, and only if located at least inland.
+ Works licensed under the GFDL may be included in with non-GFDL-licensed works only if it is clear which parts of the work are licensed as the GFDL.
+ The filter works much like trying to put a playing card through a comb – only if the card is turned the right direction will it fit.
+ Air Force to use Britain’s air bases to launch the attack, only if that the UK was supporting America’s right to self-defense supported by the United Nations.
+ Monsters can be spared only if they have been beaten up enough to make them weak and unable to fight, or if they have been pleased by the right actions.
+ Also, a function is convex if and only if its epigraph epigraph is a convex set.
+ Two lines are given for a station only if they do not connect and are not essentially collinear.
+ For example, an animal should be considered conscious only if there is no other explanation for its behaviour.
+ The header 'Other information' will appear only if at least one of the 5 fields below contains data.
+ The constitution of the International Labour Organization affirms that “universal and lasting peace can be established only if it is based upon social justice.” An additional declaration adopted in Philadelphia at the 26th section affirms that “Labour is not a commodity and that “All human beings, irrespective of race, creed or sex, have the right to pursue both their material well-being and their spiritual development in conditions of freedom and dignity, of economic security and equal opportunity”.
+ Use only if the company is based in a non-English speaking country and it has no official rendering of native name in Latin script.
+ Masturbation involving both a man and a woman can result in pregnancy only if semen contacts the vulva.
+ In these cases, the Court ruled that States of the United Statesthe states could use capital punishment, but only if they followed certain rules.
+ It orders the defendant to pay money only if the defendant was not careful enough.
+ Do this only if the page with the cited word is available.
More in-sentence examples of “only if”:
+ A service animal can be asked to leave one of these places only if it is out of control.
+ Use it only if you’re adding a citation or description of the link.
+ The same surface tension demonstration can be done with water, lime water or even saline, but only if the liquid does not adhere to the flat surface material.
+ A zero-sum game exists if and only if all players value the cake equally.
+ Use for “founded_date”, but ONLY if a full YYYY-MM-DD date is available.
+ The output of an AND gate is on only if both inputs are on.
+ Use only if there is reason not to rely on Wikidata info.
+ It allows some scientists to make and use amounts under 100 grams only if they are trying to create an antidote, or doing medical research.
+ When Herakles asked Hades for Kerberos, Hades allowed him to take the monster, but only if he could do so without using his weapons.
+ However, the music video was leaked on YouTube for only if a user had the link to the video.
+ Moreover, two vectors can be considered orthogonal if and only if their dot product is zero, and they both have a nonzero length.
+ A person can be determined to have the disease only if the symptoms are severe.
+ He believed these similarities could be explained only if these geologic features were once part of the same continent.
+ Two sets have the “same” cardinality if and only if they have the same number of elements, which is the another way of saying that there is a 1-to-1 correspondence between the two sets.
+ Use only if name is different from English name.
+ It is possible that Bach would have finished the Fantasie with a major chord only if he was playing it on its own, but we cannot be sure of this.
+ This is not an error category and pages in this category should be “fixed” only if the parameter has been misused.
+ Wikilink the country name only if doing so would not be redundant with links already present in prior parameters.
+ During the 2005 BRAC base closures, it was decided that NAS Oceana could stay open only if some conditions were met.
+ Some Pokémon can evolve only if they are a certain gender.
+ The proposal for setting up of the Federation of India did not materialize because the act proposed that federation could come into existence only if as many princely states were entitled to one half of the states seats in the upper house of the federal legislature.
+ The United States government marks them as NHLs only if they have high historical significance.
+ It states that when folding paper, a figure will be flat, if and only if all of the Angleangles have an alternating sum of zero.
+ Freedom fighter is a “positive” term – this means that he or she calls a person “freedom fighter” only if he or she supports the goals of the freedom fighter.
+ So a linear equation is a linear function only if it has exactly 2 variables.
+ For example, a future album whose article is titled “‘s Next Album” and consists solely of blog or fan forum speculation about “possible” titles, or songs that “might” be on the album, is a WP:CRYSTAL violation and should be discussed only in the artist’s article, and even then only if there is some verifiable information about it.
+ Movies and/or television series they appeared in are mentioned only if they were still a child at the time of filming.
+ Commons tags should be added only if there is an exact match.
+ A parish can have city status but only if that is granted by the Crown.
+ Use wikilinks only if linking to a specific article.
+ Setting overflow to “auto” will include scroll bar only if the text is forced outside of the area of the box.
+ She says”You can know the secret only if you can find the truth from my mixed up files.” They find the truth under the file “Bologna”.
+ The header ‘Access and use’ will appear only if at least one of the 4 fields below contains data.
+ Names are listed in wikified form, without flags.Add the country only if the body of water is located in several countries or if there are several basin countries, but only one country in which the body of water is located.
+ DNA and RNA make copies of themselves, but only if there is a catalyst — a compound which speeds up the chemical reaction.
+ The template will generate a taxobox which will display correctly only if the taxonomy for the genus has already been created i.e.
+ Use for “founded”, but ONLY if a full YYYY-MM-DD date is available.
+ If there are two or more words in the title, they should be capitalized only if it is a proper name, for example “Elvis Presley” not “Elvis presley”.
+ A request stop, flag stop, or whistle stop is a stop, railway station or airport at which buses, trains or airline flights respectively stop only on request; only if there are passengers or freight to be picked up or dropped off.
+ The differential coefficient of “f” is a constant function only if “f” is a linear function.
+ This old stuff had already dozens of entries inside it when I’ve started working on it ; I don’t mind stopping my job and resume it only if this category stays alive.
+ CU is a great tool but only if a person uses it.
+ In logic, the term if and only if is often used to describe a condition that is both necessary and sufficient.
+ Donaldson told him that he and his men would attack Lawrence only if the people of Lawrence resisted his men.
+ This creates a link if and only if the link parameter is specified.
+ You can also consume flaxseed, but only if it is properly processed.
+ The exact change can still be seen correctly by clicking on the diff links, but only if you specify both of the revisions you wish to compare.
+ Use only if different from name in header.
+ A service animal can be asked to leave one of these places only if it is out of control.
+ Use it only if you're adding a citation or description of the link.
