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Mirrors > Home > ILE Home > Th. List > addcld | GIF version |
Description: Closure law for addition. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
addcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
addcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
Ref | Expression |
---|---|
addcld | ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | addcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | addcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | addcl 7745 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 + 𝐵) ∈ ℂ) | |
4 | 1, 2, 3 | syl2anc 408 | 1 ⊢ (𝜑 → (𝐴 + 𝐵) ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 (class class class)co 5774 ℂcc 7618 + caddc 7623 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 107 ax-addcl 7716 |
This theorem is referenced by: muladd11r 7918 negeu 7953 addsubass 7972 subsub2 7990 subsub4 7995 pnpcan 8001 pnncan 8003 addsub4 8005 pnpncand 8137 apreim 8365 addext 8372 aprcl 8408 divdirap 8457 recp1lt1 8657 cju 8719 cnref1o 9440 modsumfzodifsn 10169 expaddzap 10337 binom2 10403 binom3 10409 sqoddm1div8 10444 nn0opthlem1d 10466 reval 10621 imval 10622 crre 10629 remullem 10643 imval2 10666 cjreim2 10676 cnrecnv 10682 resqrexlemcalc1 10786 maxabslemab 10978 maxltsup 10990 max0addsup 10991 minabs 11007 bdtrilem 11010 bdtri 11011 addcn2 11079 fsumadd 11175 isumadd 11200 binomlem 11252 efaddlem 11380 ef4p 11400 cosval 11410 cosf 11412 tanval2ap 11420 tanval3ap 11421 resin4p 11425 recos4p 11426 efival 11439 sinadd 11443 cosadd 11444 tanaddap 11446 oddennn 11905 addccncf 12755 limcimolemlt 12802 dvaddxxbr 12834 ptolemy 12905 qdencn 13222 |
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