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Mirrors > Home > MPE Home > Th. List > prssd | Structured version Visualization version GIF version |
Description: Deduction version of prssi 4754: 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 4754 | . 2 ⊢ ((𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐶) → {𝐴, 𝐵} ⊆ 𝐶) | |
4 | 1, 2, 3 | syl2anc 586 | 1 ⊢ (𝜑 → {𝐴, 𝐵} ⊆ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 ⊆ wss 3936 {cpr 4569 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-v 3496 df-un 3941 df-in 3943 df-ss 3952 df-sn 4568 df-pr 4570 |
This theorem is referenced by: fpr2g 6974 f1prex 7040 fveqf1o 7058 fr3nr 7494 en2eqpr 9433 en2eleq 9434 r0weon 9438 wuncval2 10169 nehash2 13833 1idssfct 16024 basprssdmsets 16549 mrcun 16893 joinval2 17619 meetval2 17633 0idnsgd 18323 pmtrprfv 18581 pmtrprfv3 18582 symggen 18598 pmtr3ncomlem1 18601 psgnunilem1 18621 lspprcl 19750 lsptpcl 19751 lspprss 19764 lspprid1 19769 lsppratlem2 19920 lsppratlem3 19921 lsppratlem4 19922 drngnidl 20002 drnglpir 20026 mdetralt 21217 topgele 21538 pptbas 21616 isconn2 22022 xpsdsval 22991 itgioo 24416 wilthlem2 25646 perfectlem2 25806 upgrex 26877 upgr1e 26898 uspgr1e 27026 eupth2lems 28017 s2f1 30621 pmtrcnel 30733 pmtrcnel2 30734 pmtridf1o 30736 cycpm2tr 30761 cyc3co2 30782 cyc3evpm 30792 cyc3genpmlem 30793 cyc3conja 30799 linds2eq 30941 poimirlem9 34916 clsk1indlem4 40414 clsk1indlem1 40415 mnuprssd 40625 mnuprdlem4 40631 limsup10exlem 42073 meadjun 42764 line2 44759 line2y 44762 |
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