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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 1796 | . 2 ⊢ ∀𝑥𝜓 |
3 | mpgbir.1 | . 2 ⊢ (𝜑 ↔ ∀𝑥𝜓) | |
4 | 2, 3 | mpbir 233 | 1 ⊢ 𝜑 |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 208 ∀wal 1535 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 |
This theorem depends on definitions: df-bi 209 |
This theorem is referenced by: cvjust 2818 eqriv 2820 abbi2iOLD 2956 nfci 2966 abid2f 3014 rgen 3150 rabeqc 3680 ssriv 3973 ss2abi 4045 nel0 4313 rab0 4339 abf 4358 ssmin 4897 intab 4908 iunab 4977 iinab 4992 sndisj 5059 disjxsn 5061 intid 5352 fr0 5536 relssi 5662 dmi 5793 dmep 5795 onfr 6232 funopabeq 6393 isarep2 6445 opabiotafun 6746 fvopab3ig 6766 opabex 6985 caovmo 7387 ordom 7591 tz7.44lem1 8043 dfsup2 8910 zfregfr 9070 dfom3 9112 trcl 9172 tc2 9186 rankf 9225 rankval4 9298 uniwun 10164 dfnn2 11653 dfuzi 12076 fzodisj 13074 fzodisjsn 13078 cycsubg 18353 efger 18846 ajfuni 28638 funadj 29665 rabexgfGS 30264 abrexdomjm 30269 ballotth 31797 bnj1133 32263 satfv0fun 32620 fmla0xp 32632 dfon3 33355 fnsingle 33382 dfiota3 33386 hftr 33645 bj-rabtrALT 34251 bj-df-v 34349 wl-rgen 34844 wl-rgenw 34845 ismblfin 34935 abrexdom 35007 cllem0 39932 cotrintab 39981 brtrclfv2 40079 snhesn 40139 psshepw 40141 k0004val0 40511 scottabf 40583 compab 40781 onfrALT 40890 dvcosre 42203 alimp-surprise 44888 |
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