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| Mirrors > Home > MPE Home > Th. List > ralbidv2 | Structured version Visualization version GIF version | ||
| Description: Formula-building rule for restricted universal quantifier (deduction form). (Contributed by NM, 6-Apr-1997.) |
| Ref | Expression |
|---|---|
| ralbidv2.1 | ⊢ (𝜑 → ((𝑥 ∈ 𝐴 → 𝜓) ↔ (𝑥 ∈ 𝐵 → 𝜒))) |
| Ref | Expression |
|---|---|
| ralbidv2 | ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ralbidv2.1 | . . 3 ⊢ (𝜑 → ((𝑥 ∈ 𝐴 → 𝜓) ↔ (𝑥 ∈ 𝐵 → 𝜒))) | |
| 2 | 1 | albidv 1953 | . 2 ⊢ (𝜑 → (∀𝑥(𝑥 ∈ 𝐴 → 𝜓) ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜒))) |
| 3 | df-ral 3082 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥(𝑥 ∈ 𝐴 → 𝜓)) | |
| 4 | df-ral 3082 | . 2 ⊢ (∀𝑥 ∈ 𝐵 𝜒 ↔ ∀𝑥(𝑥 ∈ 𝐵 → 𝜒)) | |
| 5 | 2, 3, 4 | 3bitr4g 317 | 1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 𝜓 ↔ ∀𝑥 ∈ 𝐵 𝜒)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∀wal 1568 ∈ wcel 2146 ∀wral 3081 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 |
| This proof depends on definitions: df-bi 210 df-ral 3082 |
| This theorem is used by: ralbidva 3188 raleqbidv 3340 ralssOLD 4013 oneqmini 6418 ordunisuc2 7846 dfsmo2 8340 wemapsolem 9519 zorn2lem1 10495 raluz 12938 limsupgle 15554 ello12 15593 elo12 15604 lo1resb 15641 rlimresb 15642 o1resb 15643 isprm3 16765 isprm7 16791 ist1-2 23556 hausdiag 23855 xkopt 23865 cnflf 24212 cnfcf 24252 metcnp 24751 caucfil 25495 mdegleb 26274 islinds5 33748 islbs5 33759 eulerpartlemgvv 34833 filnetlem4 36951 mnuunid 45047 iineq12dv 45884 hoidmvle 47374 elbigo2 49391 ralbidb 49637 ralbidc 49638 |
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