Metamath Proof Explorer
Table of Contents - 2.1.13. The difference, union, and intersection of two classes
- The difference of two classes
- dfdif3
- difeq1
- difeq2
- difeq12
- difeq1i
- difeq2i
- difeq12i
- difeq1d
- difeq2d
- difeq12d
- difeqri
- nfdif
- eldifi
- eldifn
- elndif
- neldif
- difdif
- difss
- difssd
- difss2
- difss2d
- ssdifss
- ddif
- ssconb
- sscon
- ssdif
- ssdifd
- sscond
- ssdifssd
- ssdif2d
- raldifb
- rexdifi
- complss
- compleq
- The union of two classes
- elun
- elunnel1
- uneqri
- unidm
- uncom
- equncom
- equncomi
- uneq1
- uneq2
- uneq12
- uneq1i
- uneq2i
- uneq12i
- uneq1d
- uneq2d
- uneq12d
- nfun
- unass
- un12
- un23
- un4
- unundi
- unundir
- ssun1
- ssun2
- ssun3
- ssun4
- elun1
- elun2
- elunant
- unss1
- ssequn1
- unss2
- unss12
- ssequn2
- unss
- unssi
- unssd
- unssad
- unssbd
- ssun
- rexun
- ralunb
- ralun
- The intersection of two classes
- elini
- elind
- elinel1
- elinel2
- elin2
- elin1d
- elin2d
- elin3
- incom
- incomOLD
- ineqcom
- ineqcomi
- ineqri
- ineq1
- ineq2
- ineq12
- ineq1i
- ineq2i
- ineq12i
- ineq1d
- ineq2d
- ineq12d
- ineqan12d
- sseqin2
- nfin
- rabbi2dva
- inidm
- inass
- in12
- in32
- in13
- in31
- inrot
- in4
- inindi
- inindir
- inss1
- inss2
- ssin
- ssini
- ssind
- ssrin
- sslin
- ssrind
- ss2in
- ssinss1
- inss
- rexin
- dfss7
- The symmetric difference of two classes
- csymdif
- df-symdif
- symdifcom
- symdifeq1
- symdifeq2
- nfsymdif
- elsymdif
- dfsymdif4
- elsymdifxor
- dfsymdif2
- symdifass
- difsssymdif
- difsymssdifssd
- Combinations of difference, union, and intersection of two classes
- unabs
- inabs
- nssinpss
- nsspssun
- dfss4
- dfun2
- dfin2
- difin
- ssdifim
- ssdifsym
- dfss5
- dfun3
- dfin3
- dfin4
- invdif
- indif
- indif2
- indif1
- indifcom
- indi
- undi
- indir
- undir
- unineq
- uneqin
- difundi
- difundir
- difindi
- difindir
- indifdi
- indifdir
- indifdirOLD
- difdif2
- undm
- indm
- difun1
- undif3
- difin2
- dif32
- difabs
- sscon34b
- rcompleq
- dfsymdif3
- Class abstractions with difference, union, and intersection of two classes
- unabw
- unab
- inab
- difab
- abanssl
- abanssr
- notabw
- notab
- unrab
- inrab
- inrab2
- difrab
- dfrab3
- dfrab2
- notrab
- dfrab3ss
- rabun2
- Restricted uniqueness with difference, union, and intersection
- reuun2
- reuss2
- reuss
- reuun1
- reupick
- reupick3
- reupick2
- euelss