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Mathbox for Stanislas Polu |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > suprleubrd | Structured version Visualization version GIF version |
Description: Natural deduction form of specialized suprleub 12152. (Contributed by Stanislas Polu, 9-Mar-2020.) |
Ref | Expression |
---|---|
suprleubrd.1 | ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
suprleubrd.2 | ⊢ (𝜑 → 𝐴 ≠ ∅) |
suprleubrd.3 | ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑦 ∈ 𝐴 𝑦 ≤ 𝑥) |
suprleubrd.4 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
suprleubrd.5 | ⊢ (𝜑 → ∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵) |
Ref | Expression |
---|---|
suprleubrd | ⊢ (𝜑 → sup(𝐴, ℝ, < ) ≤ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | suprleubrd.5 | . 2 ⊢ (𝜑 → ∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵) | |
2 | suprleubrd.1 | . . . . . 6 ⊢ (𝜑 → 𝐴 ⊆ ℝ) | |
3 | suprleubrd.2 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ ∅) | |
4 | suprleubrd.3 | . . . . . 6 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑦 ∈ 𝐴 𝑦 ≤ 𝑥) | |
5 | suprleubrd.4 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
6 | suprleub 12152 | . . . . . 6 ⊢ (((𝐴 ⊆ ℝ ∧ 𝐴 ≠ ∅ ∧ ∃𝑥 ∈ ℝ ∀𝑦 ∈ 𝐴 𝑦 ≤ 𝑥) ∧ 𝐵 ∈ ℝ) → (sup(𝐴, ℝ, < ) ≤ 𝐵 ↔ ∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵)) | |
7 | 2, 3, 4, 5, 6 | syl31anc 1373 | . . . . 5 ⊢ (𝜑 → (sup(𝐴, ℝ, < ) ≤ 𝐵 ↔ ∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵)) |
8 | 7 | bicomd 222 | . . . 4 ⊢ (𝜑 → (∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵 ↔ sup(𝐴, ℝ, < ) ≤ 𝐵)) |
9 | 8 | biimpd 228 | . . 3 ⊢ (𝜑 → (∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵 → sup(𝐴, ℝ, < ) ≤ 𝐵)) |
10 | 9 | imp 407 | . 2 ⊢ ((𝜑 ∧ ∀𝑧 ∈ 𝐴 𝑧 ≤ 𝐵) → sup(𝐴, ℝ, < ) ≤ 𝐵) |
11 | 1, 10 | mpdan 685 | 1 ⊢ (𝜑 → sup(𝐴, ℝ, < ) ≤ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∈ wcel 2106 ≠ wne 2939 ∀wral 3060 ∃wrex 3069 ⊆ wss 3935 ∅c0 4309 class class class wbr 5132 supcsup 9407 ℝcr 11081 < clt 11220 ≤ cle 11221 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5283 ax-nul 5290 ax-pow 5347 ax-pr 5411 ax-un 7699 ax-resscn 11139 ax-1cn 11140 ax-icn 11141 ax-addcl 11142 ax-addrcl 11143 ax-mulcl 11144 ax-mulrcl 11145 ax-mulcom 11146 ax-addass 11147 ax-mulass 11148 ax-distr 11149 ax-i2m1 11150 ax-1ne0 11151 ax-1rid 11152 ax-rnegex 11153 ax-rrecex 11154 ax-cnre 11155 ax-pre-lttri 11156 ax-pre-lttrn 11157 ax-pre-ltadd 11158 ax-pre-mulgt0 11159 ax-pre-sup 11160 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3371 df-reu 3372 df-rab 3426 df-v 3468 df-sbc 3765 df-csb 3881 df-dif 3938 df-un 3940 df-in 3942 df-ss 3952 df-nul 4310 df-if 4514 df-pw 4589 df-sn 4614 df-pr 4616 df-op 4620 df-uni 4893 df-br 5133 df-opab 5195 df-mpt 5216 df-id 5558 df-po 5572 df-so 5573 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-iota 6475 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-riota 7340 df-ov 7387 df-oprab 7388 df-mpo 7389 df-er 8677 df-en 8913 df-dom 8914 df-sdom 8915 df-sup 9409 df-pnf 11222 df-mnf 11223 df-xr 11224 df-ltxr 11225 df-le 11226 df-sub 11418 df-neg 11419 |
This theorem is referenced by: imo72b2lem2 42602 |
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