ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  sucpw1nss3 Unicode version

Theorem sucpw1nss3 7431
Description: Negated excluded middle implies that the successor of the power set of  1o is not a subset of  3o. (Contributed by James E. Hanson and Jim Kingdon, 31-Jul-2024.)
Assertion
Ref Expression
sucpw1nss3  |-  ( -. EXMID  ->  -.  suc  ~P 1o  C_  3o )

Proof of Theorem sucpw1nss3
StepHypRef Expression
1 pw1nel3 7427 . 2  |-  ( -. EXMID  ->  -.  ~P 1o  e.  3o )
2 pw1on 7422 . . 3  |-  ~P 1o  e.  On
3 sucssel 4515 . . 3  |-  ( ~P 1o  e.  On  ->  ( suc  ~P 1o  C_  3o  ->  ~P 1o  e.  3o ) )
42, 3ax-mp 5 . 2  |-  ( suc 
~P 1o  C_  3o  ->  ~P 1o  e.  3o )
51, 4nsyl 631 1  |-  ( -. EXMID  ->  -.  suc  ~P 1o  C_  3o )
Colors of variables: wff set class
Syntax hints:   -. wn 3    -> wi 4    e. wcel 2200    C_ wss 3197   ~Pcpw 3649  EXMIDwem 4278   Oncon0 4454   suc csuc 4456   1oc1o 6561   3oc3o 6563
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-in1 617  ax-in2 618  ax-io 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-13 2202  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-nul 4210  ax-pow 4258  ax-pr 4293  ax-un 4524  ax-setind 4629
This theorem depends on definitions:  df-bi 117  df-dc 840  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ne 2401  df-ral 2513  df-rex 2514  df-v 2801  df-dif 3199  df-un 3201  df-in 3203  df-ss 3210  df-nul 3492  df-pw 3651  df-sn 3672  df-pr 3673  df-uni 3889  df-tr 4183  df-exmid 4279  df-iord 4457  df-on 4459  df-suc 4462  df-1o 6568  df-2o 6569  df-3o 6570
This theorem is referenced by:  onntri45  7437
  Copyright terms: Public domain W3C validator