src/HOL/SEQ.thy
changeset 44282 f0de18b62d63
parent 44208 1d2bf1f240ac
child 44313 d81d57979771
equal deleted inserted replaced
44275:d995733b635d 44282:f0de18b62d63
   375 by (rule tendsto)
   375 by (rule tendsto)
   376 
   376 
   377 lemma LIMSEQ_mult:
   377 lemma LIMSEQ_mult:
   378   fixes a b :: "'a::real_normed_algebra"
   378   fixes a b :: "'a::real_normed_algebra"
   379   shows "[| X ----> a; Y ----> b |] ==> (%n. X n * Y n) ----> a * b"
   379   shows "[| X ----> a; Y ----> b |] ==> (%n. X n * Y n) ----> a * b"
   380 by (rule mult.tendsto)
   380   by (rule tendsto_mult)
   381 
   381 
   382 lemma increasing_LIMSEQ:
   382 lemma increasing_LIMSEQ:
   383   fixes f :: "nat \<Rightarrow> real"
   383   fixes f :: "nat \<Rightarrow> real"
   384   assumes inc: "!!n. f n \<le> f (Suc n)"
   384   assumes inc: "!!n. f n \<le> f (Suc n)"
   385       and bdd: "!!n. f n \<le> l"
   385       and bdd: "!!n. f n \<le> l"