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| Mirrors > Home > MPE Home > Th. List > Mathboxes > sn-suprcld | Structured version Visualization version GIF version | ||
| Description: suprcld 12119 without ax-mulcom 11102, proven trivially from sn-sup3d 42937. (Contributed by SN, 29-Jun-2025.) |
| Ref | Expression |
|---|---|
| sn-sup3d.1 | ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
| sn-sup3d.2 | ⊢ (𝜑 → 𝐴 ≠ ∅) |
| sn-sup3d.3 | ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑦 ∈ 𝐴 𝑦 ≤ 𝑥) |
| Ref | Expression |
|---|---|
| sn-suprcld | ⊢ (𝜑 → sup(𝐴, ℝ, < ) ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltso 11226 | . . 3 ⊢ < Or ℝ | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → < Or ℝ) |
| 3 | sn-sup3d.1 | . . 3 ⊢ (𝜑 → 𝐴 ⊆ ℝ) | |
| 4 | sn-sup3d.2 | . . 3 ⊢ (𝜑 → 𝐴 ≠ ∅) | |
| 5 | sn-sup3d.3 | . . 3 ⊢ (𝜑 → ∃𝑥 ∈ ℝ ∀𝑦 ∈ 𝐴 𝑦 ≤ 𝑥) | |
| 6 | 3, 4, 5 | sn-sup3d 42937 | . 2 ⊢ (𝜑 → ∃𝑥 ∈ ℝ (∀𝑦 ∈ 𝐴 ¬ 𝑥 < 𝑦 ∧ ∀𝑦 ∈ ℝ (𝑦 < 𝑥 → ∃𝑧 ∈ 𝐴 𝑦 < 𝑧))) |
| 7 | 2, 6 | supcl 9371 | 1 ⊢ (𝜑 → sup(𝐴, ℝ, < ) ∈ ℝ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ≠ wne 2932 ∀wral 3051 ∃wrex 3061 ⊆ wss 3889 ∅c0 4273 class class class wbr 5085 Or wor 5538 supcsup 9353 ℝcr 11037 < clt 11179 ≤ cle 11180 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-sup 9355 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-2 12244 df-3 12245 df-resub 42798 |
| This theorem is referenced by: sn-suprubd 42939 |
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