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Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version |
Description: Deduction version of prssi 4714: A pair of elements of a class is a subset of the class. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
prssd.1 | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
prssd.2 | ⊢ (𝜑 → 𝐵 ∈ 𝐶) |
Ref | Expression |
---|---|
prssd | ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prssd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝐶) | |
2 | prssd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐶) | |
3 | prssi 4714 | . 2 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐶) → {𝐴, 𝐵} ⊆ 𝐶) | |
4 | 1, 2, 3 | syl2anc 587 | 1 ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2111 ⊆ wss 3881 {cpr 4527 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 |
This theorem is referenced by: fpr2g 6951 f1prex 7018 fveqf1o 7037 fr3nr 7474 en2eqpr 9418 en2eleq 9419 r0weon 9423 wuncval2 10158 nehash2 13828 1idssfct 16014 basprssdmsets 16541 mrcun 16885 joinval2 17611 meetval2 17625 0idnsgd 18315 pmtrprfv 18573 pmtrprfv3 18574 symggen 18590 pmtr3ncomlem1 18593 psgnunilem1 18613 lspprcl 19743 lsptpcl 19744 lspprss 19757 lspprid1 19762 lsppratlem2 19913 lsppratlem3 19914 lsppratlem4 19915 drngnidl 19995 drnglpir 20019 mdetralt 21213 topgele 21535 pptbas 21613 isconn2 22019 xpsdsval 22988 itgioo 24419 wilthlem2 25654 perfectlem2 25814 upgrex 26885 upgr1e 26906 uspgr1e 27034 eupth2lems 28023 s2f1 30647 pmtrcnel 30783 pmtrcnel2 30784 pmtridf1o 30786 cycpm2tr 30811 cyc3co2 30832 cyc3evpm 30842 cyc3genpmlem 30843 cyc3conja 30849 linds2eq 30995 poimirlem9 35066 clsk1indlem4 40747 clsk1indlem1 40748 mnuprssd 40977 mnuprdlem4 40983 limsup10exlem 42414 meadjun 43101 line2 45166 line2y 45169 |
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