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Mirrors > Home > MPE Home > Th. List > Mathboxes > gen11 | Structured version Visualization version GIF version |
Description: Virtual deduction generalizing rule for one quantifying variable and one virtual hypothesis. alrimiv 1927 is gen11 40956 without virtual deductions. (Contributed by Alan Sare, 21-Apr-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
gen11.1 | ⊢ ( 𝜑 ▶ 𝜓 ) |
Ref | Expression |
---|---|
gen11 | ⊢ ( 𝜑 ▶ ∀𝑥𝜓 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gen11.1 | . . . 4 ⊢ ( 𝜑 ▶ 𝜓 ) | |
2 | dfvd1imp 40915 | . . . 4 ⊢ (( 𝜑 ▶ 𝜓 ) → (𝜑 → 𝜓)) | |
3 | 1, 2 | ax-mp 5 | . . 3 ⊢ (𝜑 → 𝜓) |
4 | 3 | alrimiv 1927 | . 2 ⊢ (𝜑 → ∀𝑥𝜓) |
5 | dfvd1impr 40916 | . 2 ⊢ ((𝜑 → ∀𝑥𝜓) → ( 𝜑 ▶ ∀𝑥𝜓 )) | |
6 | 4, 5 | ax-mp 5 | 1 ⊢ ( 𝜑 ▶ ∀𝑥𝜓 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∀wal 1534 ( wvd1 40909 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 |
This theorem depends on definitions: df-bi 209 df-vd1 40910 |
This theorem is referenced by: trsspwALT 41158 snssiALTVD 41167 sstrALT2VD 41174 elex2VD 41178 elex22VD 41179 tpid3gVD 41182 trsbcVD 41217 sbcssgVD 41223 csbingVD 41224 onfrALTVD 41231 csbsngVD 41233 csbxpgVD 41234 csbrngVD 41236 csbunigVD 41238 csbfv12gALTVD 41239 ax6e2eqVD 41247 ax6e2ndeqVD 41249 sspwimpVD 41259 sspwimpcfVD 41261 |
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