ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  rnss GIF version

Theorem rnss 4893
Description: Subset theorem for range. (Contributed by NM, 22-Mar-1998.)
Assertion
Ref Expression
rnss (𝐴𝐵 → ran 𝐴 ⊆ ran 𝐵)

Proof of Theorem rnss
StepHypRef Expression
1 cnvss 4836 . . 3 (𝐴𝐵𝐴𝐵)
2 dmss 4862 . . 3 (𝐴𝐵 → dom 𝐴 ⊆ dom 𝐵)
31, 2syl 14 . 2 (𝐴𝐵 → dom 𝐴 ⊆ dom 𝐵)
4 df-rn 4671 . 2 ran 𝐴 = dom 𝐴
5 df-rn 4671 . 2 ran 𝐵 = dom 𝐵
63, 4, 53sstr4g 3223 1 (𝐴𝐵 → ran 𝐴 ⊆ ran 𝐵)
Colors of variables: wff set class
Syntax hints:  wi 4  wss 3154  ccnv 4659  dom cdm 4660  ran crn 4661
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-ext 2175
This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-nf 1472  df-sb 1774  df-clab 2180  df-cleq 2186  df-clel 2189  df-nfc 2325  df-v 2762  df-un 3158  df-in 3160  df-ss 3167  df-sn 3625  df-pr 3626  df-op 3628  df-br 4031  df-opab 4092  df-cnv 4668  df-dm 4670  df-rn 4671
This theorem is referenced by:  imass1  5041  imass2  5042  rnxpss2  5100  ssxpbm  5102  ssxp2  5104  ssrnres  5109  funssxp  5424  fssres  5430  dff2  5703  fliftf  5843  1stcof  6218  2ndcof  6219  smores  6347  tfrcllembfn  6412  caserel  7148  frecuzrdgtcl  10486  lmss  14425  txss12  14445  txbasval  14446
  Copyright terms: Public domain W3C validator