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Theorem pw1ne0 7184
Description: The power set of 1o is not zero. (Contributed by Jim Kingdon, 30-Jul-2024.)
Assertion
Ref Expression
pw1ne0 𝒫 1o ≠ ∅

Proof of Theorem pw1ne0
StepHypRef Expression
1 0elpw 4143 . 2 ∅ ∈ 𝒫 1o
21ne0ii 3418 1 𝒫 1o ≠ ∅
Colors of variables: wff set class
Syntax hints:  wne 2336  c0 3409  𝒫 cpw 3559  1oc1o 6377
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147  ax-nul 4108
This theorem depends on definitions:  df-bi 116  df-tru 1346  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-ne 2337  df-v 2728  df-dif 3118  df-in 3122  df-ss 3129  df-nul 3410  df-pw 3561
This theorem is referenced by:  pw1nel3  7187  sucpw1nel3  7189
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