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| Mirrors > Home > ILE Home > Th. List > rgen | GIF version | ||
| Description: Generalization rule for restricted quantification. (Contributed by NM, 19-Nov-1994.) |
| Ref | Expression |
|---|---|
| rgen.1 | ⊢ (𝑥 ∈ 𝐴 → 𝜑) |
| Ref | Expression |
|---|---|
| rgen | ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ral 2533 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥(𝑥 ∈ 𝐴 → 𝜑)) | |
| 2 | rgen.1 | . 2 ⊢ (𝑥 ∈ 𝐴 → 𝜑) | |
| 3 | 1, 2 | mpgbir 1506 | 1 ⊢ ∀𝑥 ∈ 𝐴 𝜑 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 ∀wral 2528 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-gen 1502 |
| This proof depends on definitions: df-bi 117 df-ral 2533 |
| This theorem is used by: rgen2a 2604 rgenw 2605 mprg 2607 mprgbir 2608 rgen2 2636 r19.21be 2641 nrex 2642 rexlimi 2661 sbcth2 3140 reuss 3514 ral0 3629 unimax 3969 mpteq1 4215 mpteq2ia 4217 ordon 4633 tfis 4730 finds 4747 finds2 4748 ordom 4754 omsinds 4769 dmxpid 5003 fnopab 5508 fmpti 5860 opabex3 6351 oawordriexmid 6743 fifo 7314 inresflem 7401 0ct 7448 infnninf 7465 infnninfOLD 7466 exmidonfinlem 7546 pw1on 7586 netap 7621 2omotaplemap 7624 indpi 7710 nnindnn 8261 aptap 8981 sup3exmid 9290 nnssre 9311 nnind 9323 nnsub 9346 dfuzi 9761 indstr 10003 cnref1o 10062 frec2uzsucd 10852 uzsinds 10895 ser0f 10985 bccl 11220 hashfibc 11298 wrdind 11509 rexuz3 11771 isumlessdc 12281 prodf1f 12328 iprodap0 12367 eff2 12465 reeff1 12485 prmind2 12916 3prm 12924 sqrt2irr 12959 phisum 13041 pockthi 13159 1arith 13168 1arith2 13169 prmlem1a 13243 ballotfilemofi 13270 ballotfilem2 13279 ballotfilemefi 13288 ballotfilemafi 13289 ballotfilembfi 13290 ballotfilem7 13330 prminf 13397 xpsff1o 13721 rngmgpf 14287 mgpf 14366 cnfld1 14960 cnsubglem 14967 isbasis3g 15199 distop 15238 cdivcncfap 15757 dveflem 15879 ioocosf1o 16008 2irrexpqap 16136 chtqub 16218 2sqlem6 16361 2sqlem10 16366 konigsberglem5 16855 bj-indint 17079 bj-nnelirr 17101 bj-omord 17108 012of 17145 2o01f 17146 0nninf 17169 nconstwlpolem0 17235 |
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