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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 12946 | . . 3 ⊢ ℝ* ∈ V | |
| 2 | 1, 1 | xpex 7729 | . 2 ⊢ (ℝ* × ℝ*) ∈ V |
| 3 | lerelxr 11237 | . 2 ⊢ ≤ ⊆ (ℝ* × ℝ*) | |
| 4 | 2, 3 | ssexi 5277 | 1 ⊢ ≤ ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 Vcvv 3447 × cxp 5636 ℝ*cxr 11207 ≤ cle 11209 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-ext 2701 ax-sep 5251 ax-nul 5261 ax-pow 5320 ax-pr 5387 ax-un 7711 ax-cnex 11124 ax-resscn 11125 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-sb 2066 df-clab 2708 df-cleq 2721 df-clel 2803 df-ral 3045 df-rex 3054 df-rab 3406 df-v 3449 df-dif 3917 df-un 3919 df-in 3921 df-ss 3931 df-nul 4297 df-if 4489 df-pw 4565 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4872 df-opab 5170 df-xp 5644 df-rel 5645 df-xr 11212 df-le 11214 |
| This theorem is referenced by: (None) |
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