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Mirrors > Home > MPE Home > Th. List > nfrecs | Structured version Visualization version GIF version |
Description: Bound-variable hypothesis builder for recs. (Contributed by Stefan O'Rear, 18-Jan-2015.) |
Ref | Expression |
---|---|
nfrecs.f | ⊢ Ⅎ𝑥𝐹 |
Ref | Expression |
---|---|
nfrecs | ⊢ Ⅎ𝑥recs(𝐹) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-recs 8173 | . 2 ⊢ recs(𝐹) = wrecs( E , On, 𝐹) | |
2 | nfcv 2906 | . . 3 ⊢ Ⅎ𝑥 E | |
3 | nfcv 2906 | . . 3 ⊢ Ⅎ𝑥On | |
4 | nfrecs.f | . . 3 ⊢ Ⅎ𝑥𝐹 | |
5 | 2, 3, 4 | nfwrecs 8103 | . 2 ⊢ Ⅎ𝑥wrecs( E , On, 𝐹) |
6 | 1, 5 | nfcxfr 2904 | 1 ⊢ Ⅎ𝑥recs(𝐹) |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnfc 2886 E cep 5485 Oncon0 6251 wrecscwrecs 8098 recscrecs 8172 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ral 3068 df-rex 3069 df-rab 3072 df-v 3424 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-xp 5586 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-iota 6376 df-fv 6426 df-ov 7258 df-frecs 8068 df-wrecs 8099 df-recs 8173 |
This theorem is referenced by: nfrdg 8216 nfoi 9203 aomclem8 40802 |
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