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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 776 | . 2 ⊢ (((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) ∧ 𝑥 ∈ 𝐴) → 𝐵 ∈ ℝ) | |
| 3 | simpr 487 | . 2 ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → 𝐵 ∈ ℝ) | |
| 4 | leid 11265 | . . 3 ⊢ (𝐵 ∈ ℝ → 𝐵 ≤ 𝐵) | |
| 5 | 4 | ad2antlr 735 | . 2 ⊢ (((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) ∧ (𝑥 ∈ 𝐴 ∧ 𝐵 ≤ 𝑥)) → 𝐵 ≤ 𝐵) |
| 6 | 1, 2, 3, 3, 5 | ello1d 15522 | 1 ⊢ ((𝐴 ⊆ ℝ ∧ 𝐵 ∈ ℝ) → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ ≤𝑂(1)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2132 ⊆ wss 3895 class class class wbr 5090 ↦ cmpt 5171 ℝcr 11058 ≤ cle 11203 ≤𝑂(1)clo1 15486 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-pre-lttri 11133 ax-pre-lttrn 11134 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-br 5091 df-opab 5153 df-mpt 5172 df-id 5531 df-po 5544 df-so 5545 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-ov 7384 df-oprab 7385 df-mpo 7386 df-er 8662 df-pm 8795 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-ico 13341 df-lo1 15490 |
| This theorem is referenced by: pntrlog2bndlem5 27611 |
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