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Mirrors > Home > MPE Home > Th. List > mpgbir | Structured version Visualization version GIF version |
Description: Modus ponens on biconditional combined with generalization. (Contributed by NM, 24-May-1994.) (Proof shortened by Stefan Allan, 28-Oct-2008.) |
Ref | Expression |
---|---|
mpgbir.1 | ⊢ (𝜑 ↔ ∀𝑥𝜓) |
mpgbir.2 | ⊢ 𝜓 |
Ref | Expression |
---|---|
mpgbir | ⊢ 𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpgbir.2 | . . 3 ⊢ 𝜓 | |
2 | 1 | ax-gen 1797 | . 2 ⊢ ∀𝑥𝜓 |
3 | mpgbir.1 | . 2 ⊢ (𝜑 ↔ ∀𝑥𝜓) | |
4 | 2, 3 | mpbir 234 | 1 ⊢ 𝜑 |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ∀wal 1536 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 |
This theorem depends on definitions: df-bi 210 |
This theorem is referenced by: cvjust 2793 eqriv 2795 nfci 2939 abid2f 2984 rgen 3116 rabeqc 3626 ssriv 3919 ss2abiOLD 3995 nel0 4264 rab0 4291 abfOLD 4311 ssmin 4857 intab 4868 iunab 4938 iinab 4953 sndisj 5021 disjxsn 5023 intid 5315 fr0 5498 relssi 5624 dmi 5755 dmep 5757 onfr 6198 funopabeq 6360 isarep2 6413 opabiotafun 6719 fvopab3ig 6741 opabex 6960 caovmo 7365 ordom 7569 tz7.44lem1 8024 dfsup2 8892 zfregfr 9052 dfom3 9094 trcl 9154 tc2 9168 rankf 9207 rankval4 9280 uniwun 10151 dfnn2 11638 dfuzi 12061 fzodisj 13066 fzodisjsn 13070 cycsubg 18343 efger 18836 ajfuni 28642 funadj 29669 rabexgfGS 30269 abrexdomjm 30275 ballotth 31905 bnj1133 32371 satfv0fun 32731 fmla0xp 32743 dfon3 33466 fnsingle 33493 dfiota3 33497 hftr 33756 bj-rabtrALT 34373 bj-df-v 34471 wl-rgen 35007 wl-rgenw 35008 ismblfin 35098 abrexdom 35168 cllem0 40265 cotrintab 40314 brtrclfv2 40428 snhesn 40487 psshepw 40489 k0004val0 40857 scottabf 40948 compab 41146 onfrALT 41255 dvcosre 42554 alimp-surprise 45308 |
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