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Related theorems GIF version |
| Description: Inference quantifying both antecedent and consequent. |
| Ref | Expression |
|---|---|
| 19.20i.1 | ⊢ (φ → ψ) |
| Ref | Expression |
|---|---|
| 19.20i | ⊢ (∀xφ → ∀xψ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 19.20i.1 | . . 3 ⊢ (φ → ψ) | |
| 2 | 1 | a4s 960 | . 2 ⊢ (∀xφ → ψ) |
| 3 | 2 | a5i 965 | 1 ⊢ (∀xφ → ∀xψ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 ∀wal 950 |
| This theorem is referenced by: 19.20i2 969 19.20 970 19.20ii 971 19.21ai 974 hbal 981 ax67 994 ax67to6 995 ax67to7 996 ax467 997 ax467to6 999 ax467to7 1000 19.9d 1013 19.18 1026 19.26 1043 19.25 1060 19.33 1067 19.33b 1068 hbimd 1086 19.21t 1091 equid 1113 alequcom 1125 a4a 1142 stdpc4 1168 sbied 1178 aev 1192 ax11 1203 hbsb4 1232 sbco3 1241 sbcom 1242 sb9i 1247 sbal1 1328 sbal2 1338 ax11eq 1340 ax11el 1341 ax11indi 1344 a12stdy3 1351 a12study 1355 mo 1370 eumo0 1372 mo2 1377 2mo 1424 bm1.1 1439 alral 1668 rgen2a 1675 r19.20i2 1679 r19.27av 1730 ceqsalg 1800 elabgt 1867 reu3 1902 sbciegft 1930 csbexg 1979 csbiegft 2000 csbnestg 2007 sbcnestg 2009 rabss2 2100 unss1 2170 ssrin 2205 undif4 2296 ralf0 2330 intmin4 2527 iinss 2568 axrep1 2662 axrep2 2663 bm1.3ii 2674 axnul 2677 axpr 2746 ssrel 3209 funin 3506 zfrep6 3554 fv3 3672 tfrlem5 3854 dfom3 4554 aceq5 4664 aceq6a 4665 aceq6b 4666 kmlem1 4689 kmlem13 4701 zorn 4721 brdom3 4725 brdom4 4727 axpowndlem2 4873 axacndlem1 4882 axacndlem2 4883 axacndlem3 4884 axacndlem4 4885 axacnd 4887 suppsr2 5146 suppsr3 5147 pre-axsup 5214 peano2nn 5834 islp2 7636 chsscm 9263 chcmh 9264 pjnormss 10221 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-mp 7 ax-4 951 ax-5 952 ax-gen 955 |