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| Mirrors > Home > MPE Home > Th. List > Mathboxes > leex | Structured version Visualization version GIF version | ||
| Description: The less-than-or-equal-to relation is a set. (Contributed by SN, 5-Jun-2025.) |
| Ref | Expression |
|---|---|
| leex | ⊢ ≤ ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrex 12898 | . . 3 ⊢ ℝ* ∈ V | |
| 2 | 1, 1 | xpex 7696 | . 2 ⊢ (ℝ* × ℝ*) ∈ V |
| 3 | lerelxr 11193 | . 2 ⊢ ≤ ⊆ (ℝ* × ℝ*) | |
| 4 | 2, 3 | ssexi 5265 | 1 ⊢ ≤ ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 Vcvv 3438 × cxp 5620 ℝ*cxr 11163 ≤ cle 11165 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-opab 5159 df-xp 5628 df-rel 5629 df-xr 11168 df-le 11170 |
| This theorem is referenced by: (None) |
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