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Mirrors > Home > MPE Home > Th. List > nfel2 | Structured version Visualization version GIF version |
Description: Hypothesis builder for elementhood, special case. (Contributed by Mario Carneiro, 10-Oct-2016.) |
Ref | Expression |
---|---|
nfeq2.1 | ⊢ Ⅎ𝑥𝐵 |
Ref | Expression |
---|---|
nfel2 | ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2977 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
3 | 1, 2 | nfel 2992 | 1 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnf 1780 ∈ wcel 2110 Ⅎwnfc 2961 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-cleq 2814 df-clel 2893 df-nfc 2963 |
This theorem is referenced by: elabgt 3662 elabg 3665 opelopabsb 5409 0nelopab 5444 eliunxp 5702 opeliunxp2 5703 tz6.12f 6688 riotaxfrd 7142 opeliunxp2f 7870 cbvixp 8472 boxcutc 8499 ixpiunwdom 9049 rankidb 9223 rankuni2b 9276 acni2 9466 ac6c4 9897 iundom2g 9956 tskuni 10199 reuccatpfxs1 14103 gsumcom2 19089 gsummatr01lem4 21261 ptclsg 22217 cnextfvval 22667 prdsdsf 22971 nnindf 30529 bnj1463 32322 ptrest 34885 sdclem1 35012 eqrelf 35511 binomcxplemnotnn0 40681 eliin2f 41363 stoweidlem26 42305 stoweidlem36 42315 stoweidlem46 42325 stoweidlem51 42330 eliunxp2 44376 setrec1 44788 |
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