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Theorem List for Metamath Proof Explorer - 6001-6100   *Has distinct variable group(s)
TypeLabelDescription
Statement

Theoremab2rexex2 6001* Existence of an existentially restricted class abstraction. is normally has free-variable parameters , , and . Compare abrexex2 5780. (Contributed by NM, 20-Sep-2011.)

Theoremoprssdm 6002* Domain of closure of an operation. (Contributed by NM, 24-Aug-1995.)

Theoremndmovg 6003 The value of an operation outside its domain. (Contributed by NM, 28-Mar-2008.)

Theoremndmov 6004 The value of an operation outside its domain. (Contributed by NM, 24-Aug-1995.)

Theoremndmovcl 6005 The closure of an operation outside its domain, when the domain includes the empty set. This technical lemma can make the operation more convenient to work in some cases. It is is dependent on our particular definitions of operation value, function value, and ordered pair. (Contributed by NM, 24-Sep-2004.)

Theoremndmovrcl 6006 Reverse closure law, when an operation's domain doesn't contain the empty set. (Contributed by NM, 3-Feb-1996.)

Theoremndmovcom 6007 Any operation is commutative outside its domain. (Contributed by NM, 24-Aug-1995.)

Theoremndmovass 6008 Any operation is associative outside its domain, if the domain doesn't contain the empty set. (Contributed by NM, 24-Aug-1995.)

Theoremndmovdistr 6009 Any operation is distributive outside its domain, if the domain doesn't contain the empty set. (Contributed by NM, 24-Aug-1995.)

Theoremndmovord 6010 Elimination of redundant antecedents in an ordering law. (Contributed by NM, 7-Mar-1996.)

Theoremndmovordi 6011 Elimination of redundant antecedent in an ordering law. (Contributed by NM, 25-Jun-1998.)

Theoremcaovclg 6012* Convert an operation closure law to class notation. (Contributed by Mario Carneiro, 26-May-2014.)

Theoremcaovcld 6013* Convert an operation closure law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovcl 6014* Convert an operation closure law to class notation. (Contributed by NM, 4-Aug-1995.) (Revised by Mario Carneiro, 26-May-2014.)

Theoremcaovcomg 6015* Convert an operation commutative law to class notation. (Contributed by Mario Carneiro, 1-Jun-2013.)

Theoremcaovcomd 6016* Convert an operation commutative law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovcom 6017* Convert an operation commutative law to class notation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 1-Jun-2013.)

Theoremcaovassg 6018* Convert an operation associative law to class notation. (Contributed by Mario Carneiro, 1-Jun-2013.) (Revised by Mario Carneiro, 26-May-2014.)

Theoremcaovassd 6019* Convert an operation associative law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovass 6020* Convert an operation associative law to class notation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 26-May-2014.)

Theoremcaovcang 6021* Convert an operation cancellation law to class notation. (Contributed by NM, 20-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaovcand 6022* Convert an operation cancellation law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovcanrd 6023* Commute the arguments of an operation cancellation law. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovcan 6024* Convert an operation cancellation law to class notation. (Contributed by NM, 20-Aug-1995.)

Theoremcaovordig 6025* Convert an operation ordering law to class notation. (Contributed by Mario Carneiro, 31-Dec-2014.)

Theoremcaovordid 6026* Convert an operation ordering law to class notation. (Contributed by Mario Carneiro, 31-Dec-2014.)

Theoremcaovordg 6027* Convert an operation ordering law to class notation. (Contributed by NM, 19-Feb-1996.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaovordd 6028* Convert an operation ordering law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovord2d 6029* Operation ordering law with commuted arguments. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovord3d 6030* Ordering law. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovord 6031* Convert an operation ordering law to class notation. (Contributed by NM, 19-Feb-1996.)

Theoremcaovord2 6032* Operation ordering law with commuted arguments. (Contributed by NM, 27-Feb-1996.)

Theoremcaovord3 6033* Ordering law. (Contributed by NM, 29-Feb-1996.)

Theoremcaovdig 6034* Convert an operation distributive law to class notation. (Contributed by NM, 25-Aug-1995.) (Revised by Mario Carneiro, 26-Jul-2014.)

Theoremcaovdid 6035* Convert an operation distributive law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovdir2d 6036* Convert an operation distributive law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovdirg 6037* Convert an operation reverse distributive law to class notation. (Contributed by Mario Carneiro, 19-Oct-2014.)

Theoremcaovdird 6038* Convert an operation distributive law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Theoremcaovdi 6039* Convert an operation distributive law to class notation. (Contributed by NM, 25-Aug-1995.) (Revised by Mario Carneiro, 28-Jun-2013.)

Theoremcaov32d 6040* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov12d 6041* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov31d 6042* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov13d 6043* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov4d 6044* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov411d 6045* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov42d 6046* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.) (Revised by Mario Carneiro, 30-Dec-2014.)

Theoremcaov32 6047* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov12 6048* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov31 6049* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov13 6050* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov4 6051* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov411 6052* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaov42 6053* Rearrange arguments in a commutative, associative operation. (Contributed by NM, 26-Aug-1995.)

Theoremcaovdir 6054* Reverse distributive law. (Contributed by NM, 26-Aug-1995.)

Theoremcaovdilem 6055* Lemma used by real number construction. (Contributed by NM, 26-Aug-1995.)

Theoremcaovlem2 6056* Lemma used in real number construction. (Contributed by NM, 26-Aug-1995.)

Theoremcaovmo 6057* Uniqueness of inverse element in commutative, associative operation with identity. Remark in proof of Proposition 9-2.4 of [Gleason] p. 119. (Contributed by NM, 4-Mar-1996.)

Theoremgrprinvlem 6058* Lemma for grprinvd 6059. (Contributed by NM, 9-Aug-2013.)

Theoremgrprinvd 6059* Deduce right inverse from left inverse and left identity in an associative structure (such as a group). (Contributed by NM, 10-Aug-2013.) (Proof shortened by Mario Carneiro, 6-Jan-2015.)

Theoremgrpridd 6060* Deduce right identity from left inverse and left identity in an associative structure (such as a group). (Contributed by NM, 10-Aug-2013.) (Proof shortened by Mario Carneiro, 6-Jan-2015.)

2.4.11  "Maps to" notation

Theoremelmpt2cl 6061* If a two-parameter class is not empty, constrain the implicit pair. (Contributed by Stefan O'Rear, 7-Mar-2015.)

Theoremelmpt2cl1 6062* If a two-parameter class is not empty, the first argument is in its nominal domain. (Contributed by FL, 15-Oct-2012.) (Revised by Stefan O'Rear, 7-Mar-2015.)

Theoremelmpt2cl2 6063* If a two-parameter class is not empty, the second argument is in its nominal domain. (Contributed by FL, 15-Oct-2012.) (Revised by Stefan O'Rear, 7-Mar-2015.)

Theoremelovmpt2 6064* Utility lemma for two-parameter classes.

EDITORIAL: can simplify isghm 14683, islmhm 15784. (Contributed by Stefan O'Rear, 21-Jan-2015.)

Theoremrelmptopab 6065* Any function to sets of ordered pairs produces a relation on function value unconditionally. (Contributed by Mario Carneiro, 7-Aug-2014.) (Proof shortened by Mario Carneiro, 24-Dec-2016.)

Theoremf1ocnvd 6066* Describe an implicit one-to-one onto function. (Contributed by Mario Carneiro, 30-Apr-2015.)

Theoremf1od 6067* Describe an implicit one-to-one onto function. (Contributed by Mario Carneiro, 12-May-2014.)

Theoremf1ocnv2d 6068* Describe an implicit one-to-one onto function. (Contributed by Mario Carneiro, 30-Apr-2015.)

Theoremf1o2d 6069* Describe an implicit one-to-one onto function. (Contributed by Mario Carneiro, 12-May-2014.)

TheoremxpexgALT 6070 The cross product of two sets is a set. Proposition 6.2 of [TakeutiZaring] p. 23. This version is proven using Replacement; see xpexg 4800 for a version that uses the Power Set axiom instead. (Contributed by Mario Carneiro, 20-May-2013.) (Proof modification is discouraged.) (New usage is discouraged.)

Theoremf1opw2 6071* A one-to-one mapping induces a one-to-one mapping on power sets. This version of f1opw 6072 avoids the Axiom of Replacement. (Contributed by Mario Carneiro, 26-Jun-2015.)

Theoremf1opw 6072* A one-to-one mapping induces a one-to-one mapping on power sets. (Contributed by Stefan O'Rear, 18-Nov-2014.) (Revised by Mario Carneiro, 26-Jun-2015.)

Theoremsuppss2 6073* Show that the support of a function is contained in a set. (Contributed by Mario Carneiro, 19-Dec-2014.) (Revised by Mario Carneiro, 22-Mar-2015.)

Theoremsuppssfv 6074* Formula building theorem for support restriction, on a function which preserves zero. (Contributed by Stefan O'Rear, 9-Mar-2015.)

Theoremsuppssov1 6075* Formula building theorem for support restrictions: operator with left annihilator. (Contributed by Stefan O'Rear, 9-Mar-2015.)

2.4.12  Function operation

Syntaxcof 6076 Extend class notation to include mapping of an operation to a function operation.

Syntaxcofr 6077 Extend class notation to include mapping of an binary relation to a function relation.

Definitiondf-of 6078* Define the function operation map. The definition is designed so that if is a binary operation, then is the analogous operation on functions which corresponds to applying pointwise to the values of the functions. (Contributed by Mario Carneiro, 20-Jul-2014.)

Definitiondf-ofr 6079* Define the function relation map. The definition is designed so that if is a binary relation, then is the analogous relation on functions which is true when each element of the left function relates to the corresponding element of the right function. (Contributed by Mario Carneiro, 28-Jul-2014.)

Theoremofeq 6080 Equality theorem for function operation. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofreq 6081 Equality theorem for function relation. (Contributed by Mario Carneiro, 28-Jul-2014.)

Theoremofexg 6082 A function operation restricted to a set is a set. (Contributed by NM, 28-Jul-2014.)

Theoremnfof 6083* Hypothesis builder for function operation. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremnfofr 6084* Hypothesis builder for function relation. (Contributed by Mario Carneiro, 28-Jul-2014.)

Theoremoffval 6085* Value of an operation applied to two functions. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofrfval 6086* Value of a relation applied to two functions. (Contributed by Mario Carneiro, 28-Jul-2014.)

Theoremofval 6087 Evaluate a function operation at a point. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofrval 6088 Exhibit a function relation at a point. (Contributed by Mario Carneiro, 28-Jul-2014.)

Theoremoffn 6089 The function operation produces a function. (Contributed by Mario Carneiro, 22-Jul-2014.)

Theoremfnfvof 6090 Function value of a pointwise composition. (Contributed by Stefan O'Rear, 5-Oct-2014.) (Proof shortened by Mario Carneiro, 5-Jun-2015.)

Theoremoffval3 6091* General value of with no assumptions on functionality of and . (Contributed by Stefan O'Rear, 24-Jan-2015.)

Theoremoffres 6092 Pointwise combination commutes with restriction. (Contributed by Stefan O'Rear, 24-Jan-2015.)

Theoremoff 6093* The function operation produces a function. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofres 6094 Restrict the operands of a function operation to the same domain as that of the operation itself. (Contributed by Mario Carneiro, 15-Sep-2014.)

Theoremoffval2 6095* The function operation expressed as a mapping. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofrfval2 6096* The function relation acting on maps. (Contributed by Mario Carneiro, 20-Jul-2014.)

Theoremofco 6097 The composition of a function operation with another function. (Contributed by Mario Carneiro, 19-Dec-2014.)

Theoremoffveq 6098* Convert an identity of the operation to the analogous identity on the function operation. (Contributed by Mario Carneiro, 24-Jul-2014.)

Theoremoffveqb 6099* Equivalent expressions for equality with a function operation. (Contributed by NM, 9-Oct-2014.) (Proof shortened by Mario Carneiro, 5-Dec-2016.)

Theoremofc1 6100 Left operation by a constant. (Contributed by Mario Carneiro, 24-Jul-2014.)

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