proper

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Related to propriety: proprietary, lack of propriety

proper

1. Maths logic (of a relation) distinguished from a weaker relation by excluding the case where the relata are identical. For example, every set is a subset of itself, but a proper subset must exclude at least one member of the containing set
2. the parts of the Mass that vary according to the particular day or feast on which the Mass is celebrated
References in classic literature ?
The new Constitution has accordingly, with great propriety, made provision against them, and all others proceeding from the defect of the Confederation on this head, by authorizing the general government to establish a uniform rule of naturalization throughout the United States.
Dashwood feel this ungracious behaviour, and so earnestly did she despise her daughter-in-law for it, that, on the arrival of the latter, she would have quitted the house for ever, had not the entreaty of her eldest girl induced her first to reflect on the propriety of going, and her own tender love for all her three children determined her afterwards to stay, and for their sakes avoid a breach with their brother.
Wherever THESE can with propriety be confided, the coincident powers may safely accompany them.
The propriety of events on the premise of a licensed gaming establishment that cater to or promote the use, sale and cultivation or distribution of marijuana;
Abraham Idjirani, spokesperson and secretary general of the Sultanate of Sulu and North Borneo, said it was unfair to tag the nine Filipinos as criminals given the grounds that they claimed four years ago - entitlement and propriety.
Effective from 7 March 2016, the rules issued in Appendix One cover the scope of the PRA's SMR; allocation of Prescribed Responsibilities to Senior Managers; scope of the PRA's Certification Regime; and assessment of fitness and propriety of Senior Managers and certified employees.
Today, the company fabricates a full propriety branded line of geotextile tubes as well as additional products, such as, hydraulically filled sandbags, anti-scour aprons, turbidity barriers, roll-off containers (dumpster) bags, and emergency lift bags.
1, 2014, is aimed at demonstrating integrity and propriety when it comes to related-party transactions.
76 lakh crore, the Congress on Tuesday criticised the auditor general for " preaching propriety to parliamentarians".
a) In General--If the Board determines that propriety trading by a financial holding company subject to stricter standards poses an existing or foreseeable threat to the safety and soundness of such company or to the financial stability of the United States, the Board may prohibit such company from engaging in propriety trading.
Upon common sense are based individuals' aesthetic judgments and assessments of propriety more generally, and individuals make and refine their judgments through interactions with others.
1 : correctness in manners or behavior <He went beyond the bounds of propriety.