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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ltex | Structured version Visualization version GIF version | ||
| Description: The less-than relation is a set. (Contributed by SN, 5-Jun-2025.) |
| Ref | Expression |
|---|---|
| ltex | ⊢ < ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrex 12902 | . . 3 ⊢ ℝ* ∈ V | |
| 2 | 1, 1 | xpex 7698 | . 2 ⊢ (ℝ* × ℝ*) ∈ V |
| 3 | ltrelxr 11195 | . 2 ⊢ < ⊆ (ℝ* × ℝ*) | |
| 4 | 2, 3 | ssexi 5267 | 1 ⊢ < ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 Vcvv 3440 × cxp 5622 ℝ*cxr 11167 < clt 11168 |
| 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 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11084 ax-resscn 11085 |
| 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 2715 df-cleq 2728 df-clel 2811 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-opab 5161 df-xp 5630 df-rel 5631 df-xr 11172 df-ltxr 11173 |
| This theorem is referenced by: (None) |
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