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| Mirrors > Home > ILE Home > Th. List > addcld | Unicode version | ||
| Description: Closure law for addition. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| addcld.1 |
|
| addcld.2 |
|
| Ref | Expression |
|---|---|
| addcld |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addcld.1 |
. 2
| |
| 2 | addcld.2 |
. 2
| |
| 3 | addcl 8310 |
. 2
| |
| 4 | 1, 2, 3 | syl2anc 415 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 108 ax-addcl 8281 |
| This theorem is used by: muladd11r 8489 negeu 8524 addsubass 8543 subsub2 8561 subsub4 8566 pnpcan 8572 pnncan 8574 addsub4 8576 pnpncand 8708 apreim 8939 addext 8946 aprcl 8982 aptap 8986 divdirap 9035 recp1lt1 9237 cju 9299 cnref1o 10068 modsumfzodifsn 10854 expaddzap 11041 binom2 11109 binom3 11115 sqoddm1div8 11152 mulsubdivbinom2ap 11171 nn0opthlem1d 11180 reval 11636 imval 11637 crre 11644 remullem 11658 imval2 11681 cjreim2 11692 cnrecnv 11698 resqrexlemcalc1 11802 maxabslemab 11995 maxltsup 12007 max0addsup 12008 minabs 12026 bdtrilem 12030 bdtri 12031 addcn2 12101 fsumadd 12198 isumadd 12223 binomlem 12275 efaddlem 12466 ef4p 12486 cosval 12495 cosf 12497 tanval2ap 12505 tanval3ap 12506 resin4p 12510 recos4p 12511 efival 12524 sinadd 12528 cosadd 12529 tanaddap 12531 pythagtriplem1 13073 pythagtriplem12 13083 pythagtriplem16 13087 pythagtriplem17 13088 pcbc 13159 mul4sqlem 13201 4sqlem14 13212 ballotfilemsima 13317 oddennn 13341 mulgdirlem 14015 gzsumconst 14233 gsumfsum 15032 addccncf 15826 limcimolemlt 15890 dvaddxxbr 15927 plyaddlem1 15973 ptolemy 16051 rpcxpadd 16138 binom4 16219 pellexlem2 16230 bposlem9 16319 lgsquad2lem1 16405 2lgslem3d1 16424 dichmul0orlem7 16964 qdencn 17278 iooref1o 17289 apdifflemr 17303 qdiff 17305 |
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