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Theorem leex 43298
Description: The less-than-or-equal-to relation is a set. (Contributed by SN, 5-Jun-2025.)
Assertion
Ref Expression
leex ≤ ∈ V

Proof of Theorem leex
StepHypRef Expression
1 xrex 13115 . . 3 ℝ* ∈ V
21, 1xpex 7767 . 2 (ℝ* × ℝ*) ∈ V
3 lerelxr 11372 . 2 ≤ ⊆ (ℝ* × ℝ*)
42, 3ssexi 5283 1 ≤ ∈ V
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   ∈ wcel 2144  Vcvv 3450   × cxp 5648  ℝ*cxr 11342   ≤ cle 11344
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248  ax-pow 5326  ax-pr 5390  ax-un 7751  ax-cnex 11256  ax-resscn 11257
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-opab 5167  df-xp 5656  df-rel 5657  df-xr 11347  df-le 11349
This theorem is used by: (None)
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