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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 2764 | . 2 ⊢ Ⅎ𝑥𝐴 | |
2 | nfeq2.1 | . 2 ⊢ Ⅎ𝑥𝐵 | |
3 | 1, 2 | nfel 2777 | 1 ⊢ Ⅎ𝑥 𝐴 ∈ 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnf 1708 ∈ wcel 1990 Ⅎwnfc 2751 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-cleq 2615 df-clel 2618 df-nfc 2753 |
This theorem is referenced by: elabgt 3347 opelopabsb 4985 eliunxp 5259 opeliunxp2 5260 tz6.12f 6212 riotaxfrd 6642 0neqopab 6698 opeliunxp2f 7336 cbvixp 7925 boxcutc 7951 ixpiunwdom 8496 rankidb 8663 rankuni2b 8716 acni2 8869 ac6c4 9303 iundom2g 9362 tskuni 9605 reuccats1 13480 gsumcom2 18374 gsummatr01lem4 20464 ptclsg 21418 cnextfvval 21869 prdsdsf 22172 nnindf 29565 bnj1463 31123 ptrest 33408 sdclem1 33539 eqrelf 34020 binomcxplemnotnn0 38555 eliin2f 39287 stoweidlem26 40243 stoweidlem36 40253 stoweidlem46 40263 stoweidlem51 40268 eliunxp2 42112 setrec1 42438 |
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