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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 12953 | . . 3 ⊢ ℝ* ∈ V | |
| 2 | 1, 1 | xpex 7732 | . 2 ⊢ (ℝ* × ℝ*) ∈ V |
| 3 | ltrelxr 11242 | . 2 ⊢ < ⊆ (ℝ* × ℝ*) | |
| 4 | 2, 3 | ssexi 5280 | 1 ⊢ < ∈ V |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2109 Vcvv 3450 × cxp 5639 ℝ*cxr 11214 < clt 11215 |
| 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 2702 ax-sep 5254 ax-nul 5264 ax-pow 5323 ax-pr 5390 ax-un 7714 ax-cnex 11131 ax-resscn 11132 |
| 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 2709 df-cleq 2722 df-clel 2804 df-ral 3046 df-rex 3055 df-rab 3409 df-v 3452 df-dif 3920 df-un 3922 df-in 3924 df-ss 3934 df-nul 4300 df-if 4492 df-pw 4568 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-opab 5173 df-xp 5647 df-rel 5648 df-xr 11219 df-ltxr 11220 |
| This theorem is referenced by: (None) |
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