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Mirrors > Home > MPE Home > Th. List > lo1const | Structured version Visualization version GIF version |
Description: A constant function is eventually upper bounded. (Contributed by Mario Carneiro, 26-May-2016.) |
Ref | Expression |
---|---|
lo1const | ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 485 | . 2 ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → 𝐴 ⊆ ℝ) | |
2 | simplr 767 | . 2 ⊢ (((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) | |
3 | simpr 487 | . 2 ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → 𝐵 ∈ ℝ) | |
4 | leid 10739 | . . 3 ⊢ (𝐵 ∈ ℝ → 𝐵 ≤ 𝐵) | |
5 | 4 | ad2antlr 725 | . 2 ⊢ (((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) ∧ (𝑥 ∈ 𝐴 ∧ 𝐵 ≤ 𝑥)) → 𝐵 ≤ 𝐵) |
6 | 1, 2, 3, 3, 5 | ello1d 14883 | 1 ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2113 ⊆ wss 3939 class class class wbr 5069 ↦ cmpt 5149 ℝcr 10539 ≤ cle 10679 ≤𝑂(1)clo1 14847 |
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 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-pre-lttri 10614 ax-pre-lttrn 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-po 5477 df-so 5478 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-ov 7162 df-oprab 7163 df-mpo 7164 df-er 8292 df-pm 8412 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-ico 12747 df-lo1 14851 |
This theorem is referenced by: pntrlog2bndlem5 26160 |
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